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Hexanoic acid, 6-(acetyloxy)-2,3,3a,4,5,6,6a,7,8,9b-decahydro-3, 3a-dihydroxy-3,6, 9-trimethyl-8-[(2-methyl-1-oxo-2-butenyl)oxy]-2-oxo-4-(1-oxobutoxy )azuleno[4,5-b]furan-7-yl ester, [3R-[3.alpha.,3a.价格
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