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