2,3-Dihydroxypropyl 2-(3-chloro-o-toluidino)nicotinate 21829-22-1 3-Pyridinecarboxylic acid, 2-[(3-chloro-2-methylphenyl)amino]-, 2,3-dihydroxypropyl ester Clonixeril NSC335504 Nicotinic acid, 2-(3-chloro-o-toluidino)-, 2,3-dihydroxypropyl ester Sch 12707