6-Methyl-2-nitro-4-(trifluoromethoxy)pyridine-3-acetic acid
2-Methyl-6-nitro-3-(trifluoromethoxy)pyridine-4-acetic acid
4-(Difluoromethyl)-2-methoxy-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
6-Methyl-3-nitro-4-(trifluoromethoxy)pyridine-2-acetic acid