58337-34-1 58447-24-8 6H-Pyrido(4,3-b)carbazolium, 9-hydroxy-2,5,11-trimethyl-, iodide 9-Hydroxy-2,5,11-trimethyl-6H-pyrido(4,3-b)carbazolium iodide 9-Hydroxyellipticine methiodide EINECS 261-259-5