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72746-68-0 |
(3aS,8R,9S,11bR)-3a,4,6a,7,7aα,8,10,11-Octahydro-4α,8-dihydroxy-2',2',5,6aβ,8-pentamethylspiro[5α,11aα-methano-11aH-fluoreno[4,4a-c]furan-9(3H),3'(6'H)-[2H]pyran]-3,6,6'-trione |
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72747-95-6 |
[3aS,(-)]-3aβ,7,8,8a,9,9aβ-Hexahydro-5,8aα-dimethyl-3-methylenenaphtho[2,3-b]furan-2,6(3H,4H)-dione |
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