4-OXO-1-[3-(TRIFLUOROMETHYL)PHENYL]-1,4-DIHYDROPYRIDAZINE-3-CARBOXYLIC ACID CAS:478063-68-2 A1161335 4-Oxo-2-thioxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid methyl ester CAS:344361-97-3 A1182169 4-oxo-5-(propan-2-yl)-1H,4H-pyrrolo[2,1-f][1,2,4]triazine-6-carboxylic acid CAS:658085-61-1 A1089319 | ||||||||||||||