Methyl 2-(difluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 4-(aminomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 4-methyl-6-nitro-2-(trifluoromethoxy)pyridine-3-acetate
2-(Aminomethyl)-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-carboxylic acid