1-((4-(Diethylamino)-1-methylbutyl)amino)-9-methoxy-5-methyl-9H-pyrido(4,3-b)carbazole H2O 6H-Pyrido(4,3-b)carbazole, 1-((4-(diethylamino)-1-methylbutyl)amino)-9-methoxy-5-methyl-, hydrate 74861-78-2