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