| | [1',2',3',4',5'-13C5;1,3-15N2]THYMIDINE CAS:478511-40-9 Formula: 13C5C5H1415N2O5 ACM478511409-1 Thymidine-1',2',3',4',5'-13C5;1,3-15N2 249.19 [1, 1':4', 1''- Terphenyl] - 3, 3'', 5, 5''- tetracarboxylic acid, 2', 3', 5', 6'- tetrafluoro- CAS:1119196-00-7 Formula: C22H10O8F4 ACM1119196007 2',?3',?5',?6'-?tetrafluoro[1,?1':4',?1''-?terphen 478.3 [1,1',4',1",4",1"'-QUATERPHENYL]-4,4'''-DICARBOXYLIC ACID CAS:143613-17-6 Formula: C26H18O4 ACM143613176 [1,1,4,1,4,1]Quaterphenyl-4,4-dicarbonsaeure; [1,1 394.4 [1,1'-(1,4-Butenediyl)bis[1,1-diphenylphosphine-?P]]bis(2,3,4,5,6-pentafluorophenyl)palladium CAS:1056901-91-7 Formula: C40H28F10P2Pd ACM1056901917 Palladium, [1,1'-(1,4-butenediyl)bis[1,1-diphenylp 867 [1,1'-BIPHENYL]-2,2',4,4',6,6'-HEXACARBOXYLIC ACID CAS:359400-00-3 Formula: C18H10O12 ACM359400003-2 2-(2,4,6-Tricarboxyphenyl)benzene-1,3,5-tricarboxy 418.26 [1,1'-BIPHENYL]-2,2',5,5'-TETROL,4,4'-DIMETHOXY-,2,2',5,5'-TETRAACETATE CAS:7461-72-5 Formula: C22H22O10 ACM7461725 Oprea1_465675, MolPort-001-842-707, NSC403630, CID 446.4 [1,1'-BIPHENYL]-2,2'-DIOL,3,3'-BIS(1,1-DIMETHYLETHYL)-5,5',6,6'-TETRAMETHYL-,(1R)- CAS:329735-68-4 Formula: C24H34O2 ACM329735684 (R) BIPHEN H2;(R)-(+)-BIPHEN H2;(S)-(-)-5,5',6,6'- 354.53 [1,1'-BIPHENYL]-3,3',4,4',5,5'-HEXOL CAS:4371-21-5 Formula: C12H10O6 ACM4371215 3,3',4,4',5,5'-Biphenylhexol; 5-(3,4,5-Trihydroxyp 250.2 [1,1'-BIPHENYL]-3,3',5,5'-TETRAOL CAS:531-02-2 Formula: C12H10O4 ACM531022 Diresorcinol, 531-02-2, (1,1-Biphenyl)-3,3,5,5-tet 218.205400 [g/mol] [1,1'-BIPHENYL]-3,5-DICARBOXYLIC ACID, 4'-[1,2,2-TRIS(3',5'-DICARBOXY[1,1'-BIPHENYL]-4-YL)ETHENYL]- CAS:1420471-57-3 Formula: C58H36O16 ACM1420471573-2 4',4''',4''''',4'''''''-(Ethene-1,1,2,2-tetrayl)te 988.89 [1,1'-BIPHENYL]-4-AMINE, 4',4''',4''''',4'''''''-(1,2-ETHENEDIYLIDENE)TETRAKIS[N,N-DIPHENYL- CAS:1416786-56-5 Formula: C98H72N4 ACM1416786565-1 4',4''',4''''',4'''''''-(Ethene-1,1,2,2-tetrayl)te 1305.647 [1,1'-Biphenyl]-4-carboxylic acid, 4',4''',4''''',4'''''''-(1,2-ethenediylidene)tetrakis[3-amino- CAS:1643112-47-3 Formula: C54H40N4O8 ACM1643112473-3 [1,1'-Biphenyl]-4-carboxylic acid, 4',4''',4''''', 872.91 [1,1'-Biphenyl]-4-carboxylic acid, 4',4''',4''''',4'''''''-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis- CAS:609365-68-6 Formula: C72H46N4O8 ACM609365686-2 4,4',4'',4'''-(21H,23H-porphine-5,10,15,20-tetrayl 1095.16 [1,1'-BIPHENYL]-4-OL,2,2',3,3',4',5,5',6,6'-NONAFLUORO- CAS:2894-87-3 Formula: C12HF9O ACM2894873 4-Hydroxynonafluorobiphenyl, 2894-87-3, 2,3,5,6-Te 332.12 [1,1'-BIPHENYL]-4-OL,3,3',4',5-TETRACHLORO- CAS:111810-41-4 Formula: C12H6Cl4O ACM111810414 CID119346, 3,3,4,5-Tetrachloro-4-biphenylol, 4-Hyd 307.9874 [1,1':2',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid, 3',4',5',6'-tetrakis (3,5-dicarboxyphenyl)- CAS:2219313-57-0 Formula: C54H30O24 ACM2219313570-2 3',4',5',6'-Tetrakis(3,5-dicarboxyphenyl)-[1,1':2' 1062.80 [1,1':2',1''-TERPHENYL]-4,4''-DICARBOXYLIC ACID, 3',6'-DIBROMO-4',5'-BIS(4-CARBOXYPHENYL)- CAS:1206802-27-8 Formula: C34H20Br2O8 ACM1206802278-1 3',6'-Dibromo-4',5'-bis(4-carboxyphenyl)-[1,1':2', 716.32 [1,1':3',1''-TERPHENYL]-3,3'',5,5''-TETRACARBOXYLIC ACID, 5'-(3,5-DICARBOXYPHENYL)-2',4',6'-TRIMETHYL CAS:1374764-27-8 Formula: C33H24O12 ACM1374764278-2 2,4,6-Tri-me benzene-1,3,5-triyl-isophthalate 612.54 [1,1':3',1''-TERPHENYL]-3,3'',5,5''-TETRACARBOXYLIC ACID, 5'-METHYL- CAS:1433189-28-6 Formula: C23H16O8 ACM1433189286-2 5'-Methyl-[1,1':3',1''-terphenyl]-3,3'',5,5''-tetr 420.37 [1,1':3',1''-TERPHENYL]-4,4''-DIAMINE, 5'-[4-AMINO-3,5-BIS(1-METHYLETHYL)PHENYL]-3,3'',5,5''-TETRAKIS(1-METHYLETHYL)- CAS:1800490-20-3 Formula: C42H57N3 ACM1800490203 5'-(4-Amino-3,5-diisopropylphenyl)-3,3'',5,5''-tet 603.9221 [1,1':3',1''-Terphenyl]-4,4''-dicarboxylic acid, 5',5''''-[2,2'-bithiophene]-5,5'-diylbis- CAS:1227780-71-3 Formula: C48H30O8S2 ACM1227780713-2 5',5''''-[2,2'-Bithiophene]-5,5'-diylbis[[1,1':3', 798.88 [1,1':3',1''-TERPHENYL]-4,4''-DICARBOXYLIC ACID, 5'-(4-CARBOXYPHENYL)-2',4',6'-TRIMETHYL- CAS:1246562-60-6 Formula: C30H24O6 ACM1246562606-2 4,4',4''-(2,4,6-Trimethylbenzene-1,3,5-triyl)tribe 480.51 [1,1':3',1'':3'',1'''-Quaterphenyl]-4,4'''-dicarboxaldehyde, 5',5''-bis(4-formylphenyl)-2',2'',4',4'',6',6''-hexamethyl- (9CI) CAS:868046-55-3 Formula: C46H38O4 ACM868046553 654.7915 [1,1':3',1'':3'',1'''-Quaterphenyl]-4,4'''-dicarboxylic acid, 5',5''-bis(4-carboxyphenyl)-2',2'',4',4'',6',6''-hexamethyl- (9CI) CAS:868046-56-4 Formula: C46H38O8 ACM868046564-2 5',5''-bis(4-carboxyphenyl)-2',2'',4',4'',6',6''-h 718.78 [1,1':3',1'':4'',1''':3''',1''''-Quinquephenyl]-4,4''''-dicarboxylic acid, 5',5'''-bis(4-carboxyphenyl)-2'',5''-dimethoxy- CAS:1800290-01-0 Formula: C48H34O10 ACM1800290010-2 5',5'''-Bis(4-carboxyphenyl)-2'',5''-dimethoxy-[1, 770.78 [1,1':4',1''-Terphenyl]-3,3'',5,5''-tetracarboxylic acid, 2',3',5',6'-tetrafluoro- CAS:1119196-00-7 Formula: C22H10O8F4 ACM1119196007-1 2',3',5',6'-Tetrafluoro[1,1':4',1''-terphenyl]-3,3 478.30 [1,1':4',1'':2'',1''':4''',1''''-QUINQUEPHENYL]-4,4''''-DIAMINE, 3'',4'',5'',6''-TETRAKIS(4'-AMINO[1,1'-BIPHENYL]-4-YL)- CAS:1355992-59-4 Formula: C78H60N6 ACM1355992594 3'',4'',5'',6''-Tetrakis(4'-amino[1,1'-biphenyl]-4 1081.351 [1,1':4',1'':2'',1''':4''',1''''-QUINQUEPHENYL]-4,4''''-DICARBOXYLIC ACID, 3'',4'',5'',6''-TETRAKIS(4'-CARBOXY[1,1'-BIPHENYL]-4-YL)- CAS:1374404-53-1 Formula: C84H54O12 ACM1374404531-1 3'',4'',5'',6''-tetrakis(4'-carboxy[1,1'-biphenyl] 1255.32 [1,1':4',1'':2'',1''':4''',1''''-QUINQUEPHENYL]-4,4''''-DICARBOXYLIC ACID, 4'',5''-BIS(4'-CARBOXY[1,1'-BIPHENYL]-4-YL)- CAS:1643112-46-2 Formula: C58H38O8 ACM1643112462-2 4",5"-Bis(4'-carboxy[1,1'-biphenyl]-4-yl)[1,1':4', 862.92 [1,1':4',1'':3'',1''':4''',1''''-QUINQUEPHENYL]-4,4''''-DIAMINE, 5''-(4'-AMINO[1,1'-BIPHENYL]-4-YL)- CAS:1400987-00-9 Formula: C42H33N3 ACM1400987009 5''-(4'-Amino-[1,1'-biphenyl]-4-yl)-[1,1':4',1'':3 579.731529951096 [1,1':4',1'':3'',1''':4''',1''''-QUINQUEPHENYL]-4,4''''-DICARBONITRILE, 5''-(4'-CYANO[1,1'-BIPHENYL]-4-YL)- (9CI) CAS:685114-67-4 Formula: C45H27N3 ACM685114674 5''-(4'-Cyano-[1,1'-biphenyl]-4-yl)-[1,1':4',1'':3 609.716 [1,1':4',1'':3'',1''':4''',1''''-QUINQUEPHENYL]-4,4''''-DICARBOXALDEHYDE, 5''-(4'-FORMYL[1,1'-BIPHENYL]-4-YL)- (9CI) CAS:805246-78-0 Formula: C45H30O3 ACM805246780 5''-(4'-Formyl-[1,1'-biphenyl]-4-yl)-[1,1':4',1'': 618.717912197113 [1,1':4',1'':4'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarboxylic acid, 2',3'',5'',6'-tetramethyl- CAS:1610701-22-8 Formula: C32H26O8 ACM1610701228 538.54 g/mol [1,1':4',1'':4'',1'''-QUATERPHENYL]-4,4'''-DIAMINE,N4,N4,N4''',N4'''-TETRAPHENYL- CAS:145898-89-1 Formula: C48H36N2 ACM145898891-3 N,N,N',N'-Tetraphenyl[1,1':4',1'':4'',1'''-quaterp 640.8 [1,1,1,3,3,3-HEXAFLUORO-2-(TRIFLUOROMETHYL)PROP-2-YL](UNDECAFLUORO)CYCLOHEXANE,ICOSAFLUORO[(TERT-BUTYL)CYCLOHEXANE] CAS:84808-64-0 Formula: C10F20 ACM84808640 [1,1,1,3,3,3-Hexafluoro-2-(trifluoromethyl)prop-2- 500.075064 [1,1,4,1",4",1"-QUATERPHENYL]-4,4-DICARBONALDEHYDE CAS:110677-45-7 Formula: 394.4 ACM110677457 [1,1,4,1",4",1"-Quaterphenyl]-4,4-dicarbonaldehyde [1,1-BIPHENYL]-2,2,4,4-TETROL,6,6-DIMETHYL-,(1S)-(9CI) CAS:21255-80-1 Formula: C14H14O4 ACM21255801 [1,1-Biphenyl]-2,2,4,4-tetrol,6,6-dimethyl-,(1S)-( [1,1-BIPHENYL]-2,2,6,6-TETROL,4,4-DIMETHYL-(9CI) CAS:14845-75-1 Formula: C14H14O4 ACM14845751 [1,1-Biphenyl]-2,2,6,6-tetrol,4,4-dimethyl-(9CI) [1,1-BIPHENYL]-2,3,4,4-TETROL,6-METHYL-(9CI) CAS:136985-26-7 Formula: C13H12O4 ACM136985267 [1,1-Biphenyl]-2,3,4,4-tetrol,6-methyl-(9CI) [1,2,3,4,8,9,10,11,15,16,17,18,22,23,24,25-Hexadecafluoro-29H,31H-phthalocyaninato(2-)-?N29,?N30,?N31,?N32]nickel CAS:128653-34-9 Formula: C32F16N8Ni ACM128653349 859.1 [1,2,3,4,8,9,10,11,15,16,17,18,22,23,24-PENTADECACHLOROPHTHALOCYANINATO(2-)]COPPER CAS:31235-28-6 Formula: C32HCl15CuN8 ACM31235286 [1,2,3,4,8,9,10,11,15,16,17,18,22,23,24-pentadecac [1,2,3,5(OR 1,2,3,6)-TETRAHYDRO-3-HYDROXY-1-METHYL-5(OR 6)-OXO-6H(OR 5H)-INDOL-6(OR 5)-AL]SEMICARBAZONE CAS:30552-37-5 Formula: C10H12N4O3 ACM30552375 EINECS 250-236-5, CID9576767, (1,2,3,5(Or 1,2,3,6) 236.227280 [g/mol] [1,2,3-13C3]NeuNAca2,3Galß1,4GlcNAcß1,2Mana1,3[[1,2,3-13C3]NeuNAca2,3Galß1,4GlcNAc6ß1,2Mana1,6]Manß1,4GlcNAc, disodium salt Formula: 13C6C70H123N5Na2O57 ACMA00025661 [1,2,3-13C3]NeuNAcalpha2,3Galbeta1,4GlcNAcbeta1,2M 2070.72 [1,2,3-13C3]NeuNAca2,3Galß1,4GlcNAcß1,2Mana1,3[[1,2,3-13C3]NeuNAca2,3Galß1,4GlcNAc6ß1,2Mana1,6]Manß1,4GlcNAcß1,4GlcNAc, disodium salt Formula: 13C6C78H136N6Na2O62 ACMA00025662 [1,2,3-13C3]NeuNAcalpha2,3Galbeta1,4GlcNAcbeta1,2M 2273.92 [1,2,3-13C3]NeuNAca2,6Galß1,4GlcNAcß1,2Mana1,3[[1,2,3-13C3]NeuNAca2,6Galß1,4GlcNAcß1,2Mana1,6]Manß1,4GlcNAc, disodium salt Formula: 13C6C70H123N5Na2O57 ACMA00025663 [1,2,3-13C3]NeuNAcalpha2,6Galbeta1,4GlcNAcbeta1,2M 2070.72 [1,2,3-13C3]NeuNAca2,6Galß1,4GlcNAcß1,2Mana1,3[[1,2,3-13C3]NeuNAca2,6Galß1,4GlcNAcß1,2Mana1,6]Manß1,4GlcNAcß1,4GlcNAc, disodium salt Formula: 13C6C78H136N6Na2O62 ACMA00025664 [1,2,3-13C3]NeuNAcalpha2,6Galbeta1,4GlcNAcbeta1,2M 2273.92 [1,2,3-13C3]NeuNAca2,6Galß1,4GlcNAcß1,2Mana1,3Manß1,4GlcNAc sodium salt Formula: 13C3C42H74N3NaO34 ACMA00025665 [1,2,3-13C3]NeuNAcalpha2,6Galbeta1,4GlcNAcbeta1,2M 1227.04 [1,2,4]TRIAZINO[3,4-F]PURINE-4,6,8(1H,7H,9H)-TRIONE,3,7,9-TRIMETHYL- CAS:358968-44-2 ACM358968442 [1,2,4]TRIAZINO[4,3-A]BENZIMIDAZOLE,1,4-DIHYDRO-3-METHYL-(9CI) CAS:57537-37-8 Formula: C10H10N4 ACM57537378 [1,2,4]Triazino[4,3-a]benzimidazole,1,4-dihydro-3- [1,2,4]TRIAZOLO[1,5-A][1,3,5]TRIAZINE,1,5,6,7-TETRAHYDRO-2-METHYL-6-(PHENYLMETHYL)-(9CI) CAS:810630-11-6 Formula: C12H15N5 ACM810630116 [1,2,4]Triazolo[1,5-a][1,3,5]triazine,1,5,6,7-tetr [1,2,4]TRIAZOLO[1,5-A][1,3,5]TRIAZINE-2-SULFONAMIDE(9CI) CAS:105216-69-1 Formula: C4H4N6O2S ACM105216691 [1,2,4]Triazolo[1,5-a][1,3,5]triazine-2-sulfonamid [1,2,4]TRIAZOLO[1,5-A]PYRIMIDIN-5(1H)-ONE,2-METHYL-7-PROPYL-6-[[2'-(2H-TETRAZOL-5-YL)[1,1'-BIPHENYL]-4-YL]METHYL]- CAS:168152-73-6 Formula: C23H22N8O ACM168152736 CID3074910, CID 3074910, LS-156841, (1,2,4)Triazol 426.4738 [1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE,5,7-DIPROPYL-6-[[2'-(2H-TETRAZOL-5-YL)[1,1'-BIPHENYL]-4-YL]METHYL]- CAS:168152-91-8 Formula: C25H26N8 ACM168152918 CID3074928, CID 3074928, LS-156793, (1,2,4)Triazol 438.5275 [1,2,4]TRIAZOLO[4,3-A]PYRAZINE,98.5% CAS:274-82-8 Formula: C5H4N4 ACM274828 [1,2,4]triazolo[4,3-a]pyrazine, 1,2,4-Triazolo[4,3 120.12 [1,2,4]TRIAZOLO[4,3-A]QUINOLINE,1-ETHYL-5,7-DIMETHYL-(9CI) CAS:432546-90-2 Formula: C14H15N3 ACM432546902 [1,2,4]Triazolo[4,3-a]quinoline,1-ethyl-5,7-dimeth 225.294 [1,2,4]TRIAZOLO[5,1-C][1,2,4]TRIAZIN-4(1H)-ONE,3-ETHOXY-1,7-DIMETHYL-(9CI) CAS:123606-04-2 Formula: C8H11N5O2 ACM123606042 [1,2,4]Triazolo[5,1-c][1,2,4]triazin-4(1H)-one,3-e [1,2,5]OXADIAZOLO[3,4-B]PYRAZINE,1,3,5,6-TETRAHYDRO-(9CI) CAS:98778-06-4 Formula: C4H6N4O ACM98778064 [1,2,5]Oxadiazolo[3,4-b]pyrazine,1,3,5,6-tetrahydr [1,2,5]OXADIAZOLO[3,4-B]PYRAZINE,4,5,6,7-TETRAHYDRO-4,7-DIMETHYL-,1-OXIDE(9CI) CAS:98778-10-0 Formula: C6H10N4O2 ACM98778100 [1,2,5]Oxadiazolo[3,4-b]pyrazine,4,5,6,7-tetrahydr [1,2,5]OXADIAZOLO[3,4-B]PYRAZINE,4,5,6,7-TETRAHYDRO-4,7-DINITROSO-(9CI) CAS:131357-57-8 Formula: C4H4N6O3 ACM131357578 [1,2,5]Oxadiazolo[3,4-b]pyrazine,4,5,6,7-tetrahydr [1,2,5]OXADIAZOLO[3,4-B]PYRIDIN-6-YLBORONIC ACID,PINACOL ESTER CAS:1218790-54-5 Formula: C11H14BN3O3 ACM1218790545 1218790-54-5, 6-(4,4,5,5-tetramethyl-1,3,2-dioxabo 247.1 [1,2,5]THIADIAZOLO[3,4-B]PYRAZINE,1,3,5,6-TETRAHYDRO-,2,2-DIOXIDE(9CI) CAS:55904-91-1 Formula: C4H6N4O2S ACM55904911 [1,2,5]Thiadiazolo[3,4-b]pyrazine,1,3,5,6-tetrahyd 174.181040 [g/mol] [1,3,8,10,15,17,22,24-OCTACHLORO-29H,31H-PHTHALOCYANINATO(2-)-N29,N30,N31,N32]COPPER CAS:23970-06-1 Formula: C32H8Cl8CuN8 ACM23970061 170.17074;g/mol [1,3,8,10-TETRAHYDRO-1,3,8,10-TETRAOXOANTHRA[2,1,9-DEF:6,5,10-D'E'F']DIISOQUINOLINE-2,9-DIYL]DI-M-PHENYLENE BIS(THIOCYANATE) CAS:67923-45-9 Formula: C38H16N4O4S2 ACM67923459 656.68804;g/mol [1,3]DITHIOLO[4,5-D]-1,3-DITHIOLE-2,5-DIONE CAS:64394-45-2 Formula: C4O2S4 ACM64394452 1,3,4,6-Tetrathiapentalene-2,5-dione, [1,3]Dithiol 208.3016 [1,4,:4,1,,-TERPHENYL]-4,4,,-DIACETONITRILE CAS:1000559-50-1 Formula: C22H16N2 ACM1000559501 2,2'-([1,1':4',1''-Terphenyl]-4,4''-diyl)diacetoni 308.3759 [1,4]DIAZEPAN-1-YL-[4-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLA N-2-YL)PHENYL]-METHANONE CAS:850411-05-1 Formula: C18H27BN2O3 ACM850411051 [1,4]DIAZEPAN-1-YL-[4-(4,4,5,5-TETRAMETHYL-[1,3,2] 330.22958 [1,4]OXAZINO[4,3-A]QUINOXALINE,1,2,4,4A,5,6-HEXAHYDRO-(9CI) CAS:338949-38-5 Formula: C11H14N2O ACM338949385 AKOS017532072, [1,4]Oxazino[4,3-a]quinoxaline,1,2, 190.241660 [g/mol] [1,6-DIHYDROXY-5-(HYDROXYMETHYL)-1,2,3,4-TETRAHYDRONAPHTHALEN-2-YL]-PROPAN-2-YLAZANIUM CHLORIDE CAS:65860-38-0 Formula: C14H22ClNO3 ACM65860380 AA-497, 1,6-Naphthalenediol, 1,2,3,4-tetrahydro-5- 287.782 g/mol [1,6]DIOXACYCLODODECINO[2,3,4-GH]PYRROLIZINE-2,7-DIONE,6-(ACETYLOXY)-3-ETHYLIDENE-3,4,5,6,9,11,13,14,14A,14B-DECAHYDRO-6-METHYL-5-METHYLENE-,(3Z,6R,14AR,14BR)- CAS:90341-45-0 Formula: C20H25NO6 ACM90341450 [1-(4-CHLOROPHENYL)-2-(6,7-DIMETHOXY-2-METHYL-1,2,3,4-TETRAHYDROISOQUINOLIN-2-IUM-1-YL)ETHYL]ACETATE CHLORIDE CAS:63938-05-6 Formula: C22H27Cl2NO4 ACM63938056 CID45556, LS-85794, ISOQUINOLINE, 1,2,3,4-TETRAHYD 440.36 g/mol [1-(9-FLUORO-11,17-DIHYDROXY-10,13-DIMETHYL-3-OXO-6,7,8,11,12,14,15,16-OCTAHYDROCYCLOPENTA[A]PHENANTHREN-17-YL)-1-OXOPROPAN-2-YL]ACETATE CAS:15793-31-4 Formula: C24H31FO6 ACM15793314 AC1L6OGI, 15793-31-4, NSC67756, AR-1C1058, NSC 677 434.498 g/mol [1]BENZOTHIENO[2,3-C]PYRIDINE,1-ETHYL-1,2,3,4-TETRAHYDRO-(8CI) CAS:802603-45-8 Formula: C13H15NS ACM802603458 [1]Benzothieno[2,3-c]pyridine,1-ethyl-1,2,3,4-tetr |