| | | Pirarubicin impurity 1 Formula: C32H37NO12 627.64 RM-P680301 (8S,10S)-10-(((2R,4S,5S,6S)-4-amino-5-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-6,8,11-trihydroxy-1-methoxy-8-(2-((tetrahydro-2H-pyran-2-yl)oxy)acetyl)-7,8,9,10-tetrahydrotetracene-5,12-dione Pirarubicin Impurity 2 Formula: C37H45NO13 711.76 RM-P680302 (8S,10S)-10-(((2R,4S,5S,6S)-4-amino-6-methyl-5-(((S)-tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-6,8,11-trihydroxy-1-methoxy-8-(2-((tetrahydro-2H-pyran-2-yl)oxy)acetyl)-7,8,9,10-tetrahydrotetracene-5,12-dione Pirarubicin impurity 3 Formula: C37H45NO13 711.76 RM-P680303 (8S,10S)-10-(((2R,4S,5S,6S)-4-amino-6-methyl-5-(((R)-tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-6,8,11-trihydroxy-1-methoxy-8-(2-((tetrahydro-2H-pyran-2-yl)oxy)acetyl)-7,8,9,10-tetrahydrotetracene-5,12-dione Pirarubicin Impurity 4 CAS:70287-21-7 Formula: C32H37NO12 627.64 RM-P680304 (8S,10S)-10-(((2R,4S,5S,6S)-4-amino-6-methyl-5-(((S)-tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-6,8,11-trihydroxy-8-(2-hydroxyacetyl)-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione Pirarubicin Impurity 5 Formula: C44H57NO22 951.93 RM-P680305 (8S,10S)-10-(((2R,4S,5S,6S)-4-(((2S,3S,4S,5R,6S)-3,4-dihydroxy-6-(hydroxymethyl)-5-(((2R,3S,4R,5S,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)amino)-6-methyl-5-(((R)-tetrahydro-2H-pyran-2-yl)o Pirarubicin Impurity 6 Formula: C64H74N2O24 1255.29 RM-P680306 (8S,8'S,10S,10'S)-8,8'-((2R,4R)-4-hydroxy-2-(hydroxymethyl)-1,3-dioxolane-2,4-diyl)bis(10-(((2R,4S,5S,6S)-4-amino-6-methyl-5-(((R)-tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-6,8,11-trihydroxy-1-methoxy-7,8,9,10-tetrahydrotet Plecanatide Impurity 1 CAS:467426-54-6 Formula: C65H104N18O26S4 1681.89 RM-P524001 (S)-5-(((1R,4S,7S,10S,13R,16R,19S,22S,25R,32S,38R)-10-(2-amino-2-oxoethyl)-38-(((S)-1-carboxy-3-methylbutyl)carbamoyl)-22-(2-carboxyethyl)-32-((R)-1-hydroxyethyl)-19-isobutyl-7,13-diisopropyl-4-methyl-3,6,9,12,15,18,21,24,30,33,36-undecaoxo PLERIXAFOR IMPURITY 10 Formula: C36H60N8 604.93 RM-P122436 11,14,18,111,51,54,58,511-octaaza-1,5(1,4)-dicyclotetradecana-3,7(1,4)-dibenzenacyclooctaphane PLERIXAFOR IMPURITY O CAS:201610-16-4 Formula: C18H20F12N4O4 584.36 RM-P122415 1,1',1'',1'''-(1,4,8,11-tetraazacyclotetradecane-1,4,8,11-tetrayl)tetrakis(2,2,2-trifluoroethanone) Pleuromulin Impurity 2 Formula: C22H34O5 378.24 RG-P120502 (1bR,2R,3R,5S,6S,7R,7aS,11R)-6-hydroxy-2,5,7,11-tetramethyl-5-vinyldecahydro-2,7a-propanocycloocta[3,4]cyclopenta[1,2-b]oxiren-3-yl 2-hydroxyacetate Pleuromulin; Tiamulin EP Impurity G CAS:125-65-5 Formula: C22H34O5 378.5 RG-P120501 (3aR,4R,5R,7S,8S,9R,9aS,12R)-8-hydroxy-4,7,9,12-tetramethyl-3-oxo-7-vinyldecahydro-4,9a-propanocyclopenta[8]annulen-5-yl 2-hydroxyacetate PNU 159682 CAS:202350-68-3 Formula: C32H35NO13 641.63 RG-A263609 (8S,10S)-6,8,11-trihydroxy-8-(2-hydroxyacetyl)-1-methoxy-10-(((1S,3R,4aS,9S,9aR,10aS)-9-methoxy-1-methyloctahydro-1H-pyrano[4',3':4,5]oxazolo[2,3-c][1,4]oxazin-3-yl)oxy)-7,8,9,10-tetrahydrotetracene-5,12-dione Podophyllotoxin EP Impurity C (Podophyllotoxone) CAS:477-49-6 Formula: C22H20O8 412.39 RM-P150800 (5aR,8aR,9R)-9-(3,4,5-trimethoxyphenyl)-5a,6,8a,9-tetrahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxole-5,8-dione PODOPHYLLOTOXIN IMPURITY 1 CAS:19186-35-7 Formula: C22H22O7 398.41 RM-P150801 (5R,5aR,8aR)-5-(3,4,5-trimethoxyphenyl)-5,8,8a,9-tetrahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6(5aH)-one PODOPHYLLOTOXIN IMPURITY 2 CAS:138456-91-4 Formula: C20H20O8 388.37 RM-P150802 (3aR,4S,9R,9aR)-4,6,7-trihydroxy-9-(4-hydroxy-3,5-dimethoxyphenyl)-3a,4,9,9a-tetrahydronaphtho[2,3-c]furan-1(3H)-one PODOPHYLLOTOXIN IMPURITY 3 Formula: C21H22O8 402.4 RM-P150803 (3aR,4R,9R,9aR)-4,6,7-trihydroxy-9-(3,4,5-trimethoxyphenyl)-3a,4,9,9a-tetrahydronaphtho[2,3-c]furan-1(3H)-one Polidocanol Impurity 4 Formula: C36H72O14 728.96 RM-P060004 3,6,9,12,15,18,21,24,27,30,33,36-dodecaoxaoctatetracontanoic acid Polidocanol Impurity 5 CAS:3056-00-6 Formula: C36H74O13 714.98 RM-P060005 3,6,9,12,15,18,21,24,27,30,33,36-dodecaoxaoctatetracontan-1-ol Polidocanol Impurity 7 CAS:54350-53-7 Formula: C40H82O15 803.08 RM-P060007 3,6,9,12,15,18,21,24,27,30,33,36,39,42-tetradecaoxatetrapentacontan-1-ol Polidocanol Impurity 8 CAS:54350-54-8 Formula: C42H86O16 847.13 RM-P060008 3,6,9,12,15,18,21,24,27,30,33,36,39,42,45-pentadecaoxaheptapentacontan-1-ol POLYGALAXANTHONE XI CAS:857859-82-6 Formula: C25H28O15 568.48 RM-P410002 2-((2S,3R,4S,5S,6R)-3-(((2S,3R,4R)-3,4-dihydroxy-4-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-1,3,6-trihydroxy-7-methoxy-9H-xanthen-9-one POLYMYXIN B1 SULFATE CAS:4135-11-9 Formula: C56H98N16O13 1203.5 RM-P120201 (S)-N-((S)-4-amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-((R)-1-hydroxyethyl)-12-isobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan- Polymyxin B1-i CAS:811435-10-6 Formula: C56H98N16O13 1203.5 RM-P120209 (S)-N-((S)-4-amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-12-((S)-sec-butyl)-3-((R)-1-hydroxyethyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino POLYMYXIN B2 SULFATE CAS:34503-87-2 Formula: C55H96N16O13 1189.47 RM-P120202 N-((S)-4-amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-((R)-1-hydroxyethyl)-12-isobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl POLYMYXIN B3 CAS:71140-58-4 Formula: C55H96N16O13 1189.47 RM-P120203 N-((S)-4-amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-((R)-1-hydroxyethyl)-12-isobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl POLYMYXIN B6 SULFATE Formula: C56H98N16O14 1219.48 RM-P120206 (3R,6S)-N-((2S)-4-amino-1-(((3R)-1-(((2S)-4-amino-1-oxo-1-(((6R,9R,12R,15R,18R)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-((R)-1-hydroxyethyl)-12-isobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl Polymyxin E1 Sulfate (Colistin A) Formula: C53H100N16O13 X H2SO4 1169.48 X 178.14 RM-P120207 (S)-N-((S)-4-amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-3-((R)-1-hydroxyethyl)-12,15-diisobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl) Polymyxin E1-7MOA Formula: C53H100N16O13 1169.48 RM-P120216 N-((S)-4-amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15S,18S,21S)-6,9,18-tris(2-aminoethyl)-3-((R)-1-hydroxyethyl)-12,15-diisobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl)amin Polymyxin E2 Sulfate (Colistin B) Formula: C52H98N16O13 X H2SO4 1155.46 X 178.14 RM-P120208 N-((S)-4-amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-3-((R)-1-hydroxyethyl)-12,15-diisobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl)amin Polymyxin E3 Formula: C52H98N16O13 1155.46 RM-P120215 N-((S)-4-amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15S,18S,21S)-6,9,18-tris(2-aminoethyl)-3-((R)-1-hydroxyethyl)-12,15-diisobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl)amin POLYMYXIN ILE-B1 CAS:80469-10-9 Formula: C56H98N16O13 1203.5 RM-P120210 N-((S)-4-amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-12-((S)-sec-butyl)-3-((R)-1-hydroxyethyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)but Polymyxin impurity 1 CAS:343979-23-7 Formula: C56H98N16O14 1219.5 RM-P120211 N-((S)-4-amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-((R)-1-hydroxyethyl)-12-isobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl Polymyxin impurity 2 Formula: C55H96N16O13 1189.47 RM-P120212 N-((S)-4-amino-1-(((S)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-((R)-1-hydroxyethyl)-12-isobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl)ami Polymyxin Impurity 3 Formula: C56H98N16O13 1203.5 RM-P120213 N-((S)-4-amino-1-(((2S,3S)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3,12-bis((R)-1-hydroxyethyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl)amino Polymyxin Impurity 4 Formula: C56H98N16O13 1203.5 RM-P120214 N-((S)-4-amino-1-(((2S,3R)-1-(((S)-4-amino-1-oxo-1-(((3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-((R)-1-hydroxyethyl)-12-isobutyl-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)amino)butan-2-yl Polymyxin Impurity 5(Colistin-1,3,5,9-tetramethanesulfonic B acid) CAS:30387-41-8 Formula: C56H106N16O25S4 1531.79 RM-P120217 (5S,8S,11S)-5-(((3S,6S,9S,12S,15R,18S,21S)-6-(2-aminoethyl)-3-((R)-1-hydroxyethyl)-12,15-diisobutyl-2,5,8,11,14,17,20-heptaoxo-9,18-bis(2-((sulfomethyl)amino)ethyl)-1,4,7,10,13,16,19-heptaazacyclotricosan-21-yl)carbamoyl)-8-((R)-1-hydroxyet POLYPORENIC ACID C CAS:465-18-9 Formula: C31H46O4 482.71 RG-P012102 (R)-2-((5R,10S,13R,14R,16R,17R)-16-hydroxy-4,4,10,13,14-pentamethyl-3-oxo-2,3,4,5,6,10,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)-6-methyl-5-methyleneheptanoic acid PORFIROMYCIN CAS:801-52-5 Formula: C16H20N4O5 348.35 RM-P152300 ((1aS,8S,8aR,8bS)-6-amino-8a-methoxy-1,5-dimethyl-4,7-dioxo-1,1a,2,4,7,8,8a,8b-octahydroazirino[2',3':3,4]pyrrolo[1,2-a]indol-8-yl)methyl carbamate PORICOIC ACID A(F) CAS:137551-38-3 Formula: C31H46O5 498.7 RG-P012101 (R)-2-((2R,3R,3aR,6S,7S,9bR)-6-(2-carboxyethyl)-2-hydroxy-3a,6,9b-trimethyl-7-(prop-1-en-2-yl)-2,3,3a,4,6,7,8,9b-octahydro-1H-cyclopenta[a]naphthalen-3-yl)-6-methyl-5-methyleneheptanoic acid PORICOIC ACID B CAS:137551-39-4 Formula: C30H44O5 484.68 RG-P012100 (R)-2-((2R,3R,3aR,6S,7S,9bR)-6-(2-carboxyethyl)-2-hydroxy-3a,6,9b-trimethyl-7-(prop-1-en-2-yl)-2,3,3a,4,6,7,8,9b-octahydro-1H-cyclopenta[a]naphthalen-3-yl)-6-methylhept-5-enoic acid POSACONAZOLE IMPURITY 108 Formula: C36H38F2N8O4 684.73 RM-P190408 (9S)-6-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)-8,8,9-trimethyl-14,15-dihydro-11H-3,6-diaza-1(4,1)-triazola-2(1,4)-benzenacyclononaphane-15,7-dione Posaconazole Impurity 146 Formula: C43H52F2N8O9 862.92 RM-P190446 4-(4-(4-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-2-((2S,3S)-2-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)pentan-3- Posaconazole Impurity 197 Formula: C36H40F2N8O7 734.76 RM-P190497 1-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)-4-(4-(1-((2S,3S)-1,3-dihydroxybutan-2-yl)-5-oxo-1,5-dihydro-4H-1,2,4-triazol-4-yl)phenyl)piperazine 1,4-dioxide Posaconazole Impurity 203 Formula: C36H42N8O4 650.78 RM-P190503 4-(4-(8-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-phenyltetrahydrofuran-3-yl)methoxy)-1,2,3,5-tetrahydro-4H-benzo[e][1,4]diazepin-4-yl)phenyl)-2-((2S,3S)-2-hydroxypentan-3-yl)-2,4-dihydro-3H-1,2,4-triazol-3-one Posaconazole Impurity 222 CAS:1902954-03-3+1902954-05-5 Formula: C37H42F2N8O5 716.78 RM-P190522 1-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)-4-(4-(1-((2S,3S)-2-hydroxypentan-3-yl)-5-oxo-1,5-dihydro-4H-1,2,4-triazol-4-yl)phenyl)piperazine 1-oxide--4-(4-(((3R,5R)-5-((1H-1,2, Posaconazole Impurity 227 Formula: C36H40F2N8O4 686.76 RM-P190527 4-(4-(7-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)-1,2,4,5-tetrahydro-3H-benzo[d][1,3]diazepin-3-yl)phenyl)-2-((2S,3S)-2-hydroxypentan-3-yl)-2,4-dihydro-3H-1,2,4-triazol-3-one Posaconazole Impurity 235 Formula: C43H50F2N8O10 876.92 RM-P190535 (2R,3R,5S,6S)-6-(((2R,3R)-3-(4-(4-(4-(4-(((3S,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)pentan-2-yl)oxy)-3,4,5-trihydroxyte Posaconazole Impurity 252 Formula: C41H40F2N8O6 778.82 RM-P190552 1-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)-4-(4-(1-((2S,3S)-2-hydroxypentan-3-yl)-5-oxo-1,5-dihydro-4H-1,2,4-triazol-4-yl)phenyl)-1,2,3,4-tetrahydroquinoxaline-6,7-dione POSACONAZOLE IMPURITY 99 Formula: C37H40F2N8O5*2 714.76*2 RM-P190399 1-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)-4-(4-(1-((2S,3S)-2-hydroxypentan-3-yl)-5-oxo-1,5-dihydro-4H-1,2,4-triazol-4-yl)phenyl)piperazin-2-one--4-(4-(((3R,5R)-5-((1H-1,2,4-t POSACONAZOLE-D4 CAS:1133712-26-1 Formula: C37H38D4F2N8O4 704.82 RM-P190493 4-(4-(4-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl-2,3,5,6-d4)-2-((2S,3S)-2-hydroxypentan-3-yl)-2,4-dihydro-3H-1,2,4-triazol-3-one POSACONAZOLE-D5 Formula: C37H37D5F2N8O4 705.81 RM-P190414 4-(4-(4-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-2-((2S,3S)-2-hydroxypentan-3-yl-4,4,5,5,5-d5)-2,4-dihydro-3H-1,2,4-triazol-3-one Posaconazole-D5 (Mixture Of Enantiomers) CAS:1217785-83-5 Formula: C37H37D5F2N8O4 705.82 RM-P190536 4-(4-(4-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-2-((2S,3S)-2-hydroxypentan-3-yl-4,4,5,5,5-d5)-2,4-dihydro-3H-1,2,4-triazol-3-one-rel- Posaconazole-D7 Formula: C37H35D7F2N8O4 707.83 RM-P190534 4-(4-(4-(4-(((3R,5R)-5-((1H-1,2,4-triazol-1-yl-d2)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl-3,5-d2)piperazin-1-yl)phenyl-2,6-d2)-2-((2S,3S)-2-hydroxypentan-3-yl)-2,4-dihydro-3H-1,2,4-triazol-3-one-5-d |