4,5-DICHLORO-2-(3-CHLORO-5-(TRIFLUOROMETHYL)-2-PYRIDINYL)-3(2H)-PYRIDAZINONE CAS:89570-63-8 A1189671 4,5-DIHYDRO-4-OXO-3H-PYRROLO[3,2-D]PYRIMIDINE-7-CARBOXYLIC ACID METHYL ESTER CAS:779326-74-8 A846890 |