51707-21-2 (8E,24E)-8-[(2-decanoylhydrazino)methylidene]-5,6,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,9,11-trioxo-1,2,8,9-tetrahydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-21-yl acetate 3968-38-5 (2E,4S,4aS,5aS,6S,12aS)-4-(dimethylamino)-6,10,11,12a-tetrahydroxy-2-{hydroxy[(morpholin-4-ylmethyl)amino]methylidene}-6-methyl-4a,5a,6,12a-tetrahydrotetracene-1,3,12(2H,4H,5H)-trione