846541-71-7

5-Chloro-4,6-dihydroxynicotinic acid ethyl ester 5-Chloro-4,6-dihydroxypyridine-3-carboxylic acid ethyl ester 5-chloro-6-hydroxy-4-oxo-1H-pyridine-3-carboxylic acid ethyl ester 5-Chloro-4-hydroxy-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid ethyl ester 3-Pyridinecarboxylic acid, 5-chloro-1,6-dihydro-4-hydroxy-6-oxo-, ethyl ester