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ETHYL 6-BROMO-4-CHLORO-3-QUINOLINECARBOXYLATE Ethyl 4-chloro-7-methoxyquinoline- 3-carboxylate ethyl 2-bromo-4H-thieno[3,2-b]pyrrole-5-carboxylate 8-Bromo-4-chloroquinoline-3-carboxylic acid ethyl ester 5-BROMO-PYRAZOLO[1,5-A]PYRIDINE-3-CARBOXYLIC ACID ETHYL ESTER 4,6-Dihydroxy-5-nitropyridine-3-carboxylic acid ethyl ester 2-ACETONITRILPYRIDINE-6-CARBOXYLIC ACID EHTYL ESTER 6-CYANONICOTINIC ACID