13-(3-(Dimethylamino)propyl)benzo(g)(2)benzopyrano(4,3-b)indol-5(13H)-one hydrochloride 139214-11-2 Benzo(g)(2)benzopyrano(4,3-b)indol-5(13H)-one, 13-(3-(dimethylamino)propyl)-, monohydrochloride