1-HEXANESULFONANILIDE, 4'-(BENZO(b)(1,8)NAPHTHYRIDIN-5-YLAMINO)-3'-METHOXY-, HYD 1-Hexanesulfonanilide, 4'-(benzo(b)(1,8)naphthyridin-5-ylamino)-3'-methoxy-, hydrochloride, hemihydrate 4'-(Benzo(b)(1,8)naphthyridin-5-ylamino)-3'-methoxy-1-hexanesulfonanilide HCl hemihydrate 71802-97-6