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