2,3,4-Tri(acetyloxy)-1,2,3,4,6,11-hexahydro-1,7-dihydroxy-3-methyl-6,11-dioxo-5H-benzo(b)carbazole-5-nitrile 35303-12-9 5-21-13-00704 (Beilstein Handbook Reference) 5H-Benzo(b)carbazole-5-carbonitrile, 2,3,4-tris(acetyloxy)-1,2,3,4,6,11-hexahydro-1,7-dihydroxy-3-methyl-6,11-dioxo- BRN 0505520 Kinamycin A