Four of the five six-membered rings of the title penta-cyclic triterpene, C(33)H(52)O(4), adopt chair conformations; the fifth, which has a C=C double bond, adopts an approximate envelope conformation.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2969982 | PMC |
| http://dx.doi.org/10.1107/S1600536809030657 | DOI Listing |
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