6H-Pyrido[4,3-b]carbazolium, 2-[2-(diethylamino)ethyl]- 9-hydroxy-5,11-dimethyl-, (SP-4-1)-tetrachloroplatinate(2-), hydrogen NSC620257 Platinate(2-), tetrachloro-, (SP-4-1), 2-[2-(diethylamino) ethyl]-9-hydroxy-5,11-dimethyl-6H-pyrido[4,3-b]carbazolium, hydrogen