1-(3-Dimethylaminopropylamino)-8-hydroxy-4-methyl-5H-pyrido(4,3-b)indole dimaleate hemihydrate 111380-25-7 5H-Pyrido(4,3-b)indol-8-ol, 1-((3-(dimethylamino)propyl)amino)-4-methyl-, (Z)-2-butenedioate (salt), hydrate (2:4:1) SR 95443A