2-Amino-3-(aminomethyl)-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine
3-Amino-6-(aminomethyl)-2-nitro-4-(trifluoromethoxy)pyridine
3-Amino-6-(aminomethyl)-2-nitro-5-(trifluoromethoxy)pyridine
3-Amino-6-(aminomethyl)-4-nitro-2-(trifluoromethoxy)pyridine