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