3,4-Diamino-2-(trifluoromethoxy)pyridine-6-carboxylic acid
2-(Chloromethyl)-4-(difluoromethyl)-6-methoxypyridine-3-carboxaldehyde
2,6-Diamino-3-(trifluoromethoxy)pyridine-5-carboxylic acid
2-(Chloromethyl)-3-(difluoromethyl)-6-methoxypyridine-4-carboxaldehyde