2-(Difluoromethyl)-6-nitro-3-(trifluoromethoxy)pyridine-4-acetic acid
2-(Aminomethyl)-3-methyl-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
3-(Aminomethyl)-6-(difluoromethyl)-2-methyl-4-(trifluoromethoxy)pyridine
3-(Aminomethyl)-5-(difluoromethyl)-4-methyl-2-(trifluoromethoxy)pyridine