Ethyl 3-bromo-6-(chloromethyl)-4-(difluoromethyl)pyridine-2-acetate
6-(Chloromethyl)-3-methyl-4-nitro-2-(trifluoromethoxy)pyridine
3-(Pyridin-3-yl)-4-(trifluoromethyl)benzene-1-sulfonyl chloride
Ethyl 2-(difluoromethyl)-4-methoxy-6-nitropyridine-3-acetate