(2AR,2''R,4S,5''R,6aR,6bS,8aS,8bR,9S,11aS,12aS,12bS)-2a,4-dihydroxy-5'',6a,8a,9-tetramethylicosahydrospiro[naphtho[2'',1'':4,5]indeno[2,1-b]furan-10,2''-pyran]-2(11aH)-one , 97% , 【56786-63-1】
Molecular Formula: C27H42O5
Formula Weight: 446.62
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