Ro 31-8220 methanesulfonate, A potent PKC inhibitor, Synonyms: 2-{1-[3-(Amidinothio)propyl]-1H-indol-3-yl}-3-(1-methylindol-3-yl)maleimide methanesulfonate; Bisindolylmaleimide IX methanesulfonate; BIM IX, CAS Number: 138489-18-6, Purity: G98% by NMR, 5 mg