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