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