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(R)-2-Methylbutanoic acid (3R,3aα,7aα,9aα)-dodecahydro-3-hydroxy-3-hydroxymethyl-4aβ,8α-dimethyl-2,5-dioxoazuleno[6,5-b]furan-7α-yl ester |
(R)-2-Methylbutanoic acid (3R,3aα,7aα,9aα)-dodecahydro-3-hydroxy-3-hydroxymethyl-4aβ,8α-dimethyl-2,5-dioxoazuleno[6,5-b]furan-7α-yl ester |
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