1-(Diethylaminopropylamino)-8-hydroxy-4-methyl-5H-pyrido(4,3-b)indole dimaleate 113141-04-1 5H-Pyrido(4,3-b)indol-8-ol, 1-((3-(diethylamino)propyl)amino)-4-methyl-, (Z)-2-butenedioate (1:2) (salt) SR 95444A