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