4-(Bromomethyl)-2-(difluoromethyl)-3-hydroxypyridine-5-carboxylic acid
Ethyl 6-(aminomethyl)-4-cyano-3-(difluoromethyl)pyridine-2-carboxylate
Ethyl 2-(aminomethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-5-carboxylate
2,3-Diamino-4-iodo-5-(trifluoromethoxy)pyridine