| Synonyms: |
- (2S,12S)-5-hydroxy-9-methoxy-6,8,10,10-tetramethyl-2-phenyl-12-(propan-2-yl)-2,3,10,12-tetrahydro-4H,11H-pyrano[2,3-a]xanthene-4,11-dione
- Baeckea frutescens 4
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| Definition: |
An organic heterotetracyclic compound that is 2,3,10,12-tetrahydro-4H,11H-pyrano[2,3-a]xanthene-4,11-dione substituted by methyl groups at positions 6, 8, 10, and 10, and by hydroxy, isopropyl, methoxy, phenyl, and groups at positions 5, 12, 9, and 2, respectively (the S,S-enantiomer). It is isolated from the leaves of Baeckea frutescens and exhibits cytotoxicity against leukemia cells.
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