5-Methoxy-2-nitro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
Methyl 3-methoxy-2-nitro-6-(trifluoromethoxy)pyridine-5-acetate
4-Methoxy-2-nitro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
Methyl 2-methoxy-3-nitro-6-(trifluoromethoxy)pyridine-5-acetate