6-Amino-3-(aminomethyl)-2-(difluoromethyl)-4-methylpyridine
Methyl 3-amino-2-(aminomethyl)-4-(difluoromethyl)pyridine-5-carboxylate
2-Amino-5-(aminomethyl)-3-(difluoromethyl)-6-methylpyridine
Methyl 6-amino-2-(aminomethyl)-4-(difluoromethyl)pyridine-3-carboxylate