3-(Bromomethyl)-2-methyl-4-nitro-6-(trifluoromethoxy)pyridine
2-(Bromomethyl)-6-methyl-5-nitro-3-(trifluoromethoxy)pyridine
3-(Aminomethyl)-4-(difluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-2-methyl-6-nitro-3-(trifluoromethoxy)pyridine