27773-32-6 methyl 16b-methyl-5,5b,6,6a,10,11,16,16b,16c,17,19,20-dodecahydrobisindolo[2',3':3,4]pyrido[2,1-a:2',1'-g][2,7]naphthyridine-7-carboxylate 27773-33-7 Diindolo[2',3':3,4]pyrido[2,1-a:2',1'-g][2,7]naphthyridine-7-carboxylicacid, 5,5b,6,6a,10,11,16,16b,16c,17,19,20-dodecahydro-16b-methyl-, methylester, (5bR,6aS,16bR,16cR)- 99624-07-4 (5aR,6S,8R,8aR,10aR,11aR)-6,8-dihydroxy-8a-methyl-5,5a,6,7,8,8a,10a,10b,11,11a-decahydro-4H,9H-8,5b-(epoxymethano)phenanthro[1,2-b:9,8-b'c']difuran-4,9-dione