3-Amino-2-(difluoromethyl)-4-methylpyridine-6-acetic acid
3-Amino-2-(chloromethyl)-6-(difluoromethyl)-4-(trifluoromethyl)pyridine
2-Amino-5-(difluoromethyl)-3-methylpyridine-6-acetic acid
Ethyl 4-amino-3-(difluoromethyl)-6-methylpyridine-2-carboxylate