1-Propanesulfonanilide, 4'-(benzo(b)(1,8)naphthyridin-5-ylamino)-3'-methoxy-, hydrochloride 4'-(Benzo(b)(1,8)naphthyridin-5-yl)-3'-methoxy-1-propanesulfonanilide hydrochloride 71802-94-3