1-BUTANESULFONANILIDE, 4'-(BENZO(b)(1,8)NAPHTHYRIDIN-5-YLAMINO)-3'-METHOXY-, HYD 1-Butanesulfonanilide, 4'-(benzo(b)(1,8)naphthyridin-5-ylamino)-3'-methoxy-, hydrochloride, dihydrate 4'-(Benzo(b)(1,8)naphthyridin-5-ylamino)-3'-methoxy-1-butanesulfonanilide HCl dihydrate 71802-95-4