(1S,4aR,4bR,10aR,11aS)-9-(Dimethylamino)-7-[[2-[(1,1-dimethylethyl)amino]acetyl]amino]-1,2,4a,5,10,10a,11,11a-octahydro-1,4,4a,6-tetrahydroxy-2,5,12-trioxo-1,4b-methano-4bH-benzo[b]fluorene-3-carboxamide
(1S,4aR,4bR,10aR,11aS)-9-(Dimethylamino)-7-[[2-[(1,1-dimethylethyl)amino]acetyl]amino]-1,2,4a,5,10,10a,11,11a-octahydro-1,4,4a,6-tetrahydroxy-2,5,12-trioxo-1,4b-methano-4bH-benzo[b]fluorene-3-carboxamide