2-(Difluoromethyl)-4-hydroxy-6-methoxypyridine-3-carboxylic acid
3,4-Diamino-5-(difluoromethyl)pyridine-2-acetic acid
2-Amino-6-hydroxy-4-(trifluoromethoxy)pyridine-3-acetic acid
Methyl 2-(aminomethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine-3-acetate