Methyl 5-(difluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
4-(Fluoromethyl)-6-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Methyl 5-(difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate
4-(Difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine-2-acetonitrile