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 51707-11-0 (14E,24E)-8-({2-[(4-aminophenyl)carbonyl]hydrazino}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 51706-96-8 (8E,14E,24E)-5,6,17,19-tetrahydroxy-8-{[2-(3-hydroxy-2,2-diphenylpropanoyl)hydrazino]methylidene}-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 [51706-9 55249-44-0 (4E)-1a,5-dimethyl-8-methylidene-9-oxo-1a,2,3,6,7,7a,8,9,10a,10b-decahydrooxireno[9,10]cyclodeca[1,2-b]furan-6-yl acetate