3-(Difluoromethyl)-5-methyl-2-nitro-6-(trifluoromethyl)pyridine
3-(Aminomethyl)-2-(difluoromethyl)-5-methyl-4-nitropyridine
5-(Difluoromethyl)-4-methyl-2-nitro-3-(trifluoromethyl)pyridine
5-(Difluoromethyl)-4-methyl-3-nitro-2-(trifluoromethyl)pyridine