| Synonyms: |
- (5R,5'R,6R,6'R,10aR,10a'R)-10a-[(acetyloxy)methyl]-1,1',8,8'-tetrahydroxy-10a'-(hydroxymethyl)-6,6'-dimethyl-9,9'-dioxo-5,5',7,7',9,9',10a,10a'-octahydro-6H,6'H-2,2'-bixanthene-5,5'-diyl diacetate
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| Definition: |
A biaryl that is 5,5',7,7',9,9',10a,10a'-octahydro-6H,6'H-2,2'-bixanthene substituted by acetyloxy groups at C-5 and C-5', (acetyloxy)methyl group at C-10a, hydroxy groups at C-1, C-1', C-8 and C-8', hydroxymethyl group at C-10a', methyl groups at C-6 and C-6' and oxo groups at C-9 and C-9' respectively. A dimeric tetrahydroxanthone derivative isolated from Phomopsis longicolla, it exhibits antibacterial and cytotoxic activities.
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