2,5-DIBROMO-3-AMINOPYRIDINE 5-HYDROXY-1-METHYL-1H-PYRAZOLE-3-CARBOXYLIC ACID METHYL ESTER 4-bromo-1-methylpyrazole-3-carboxy acid Ethyl 5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylate 1-(4-Nitrophenyl)piperazine METHYL 3-HYDROXY-1-METHYLPYRAZOLE-5-CARBOXYLATE 2-CYANO-5-ETHOXYCARBONYLPYRIDINE ETHYL 6-BROMO-4-CHLORO-3-QUINOLINECARBOXYLATE Ethyl 4-chloro-7-methoxyquinoline- 3-carboxylate 8-Bromo-4-chloroquinoline-3-carboxylic acid ethyl ester