3-(Difluoromethyl)-2-methyl-6-nitro-5-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-2-methyl-5-nitro-4-(trifluoromethoxy)pyridine
Ethyl 2-(aminomethyl)-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-carboxylate
6-(Difluoromethyl)-2-methyl-3-nitro-4-(trifluoromethoxy)pyridine