Methyl 3-(difluoromethyl)-2-nitro-6-(trifluoromethoxy)pyridine-5-acetate
2-(Difluoromethyl)-6-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylic acid
2-(Difluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid
Methyl 3-(difluoromethyl)-2-nitro-5-(trifluoromethoxy)pyridine-4-acetate