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