3-Pyridineacetic acid, 5-bromo-4-chloro-2,6-dimethyl-α-oxo-, 1-methylethyl ester

3-Pyridineacetic acid, 2-chloro-4-fluoro-α-oxo-, 1-methylethyl ester 3-Pyridineacetic acid, 5-bromo-4-chloro-α-hydroxy-2,6-dimethyl-, 1-methylethyl ester, (αS)- ethyl 2-(5-bromo-4-chloro-2,6-dimethylpyridin-3-yl)-2-oxoacetate (S)-Ethyl 2-(5-bromo-4-chloro-2,6-dimethylpyridin-3-yl)-2-hydroxyacetate tert-Butyl 2-(2,6-difluoropyridin-3-yl)-2-oxoacetate

1-(4-Chloro-2,6-diMethylpyridin-3-yl)ethan-1-one