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Isovaleric acid [(6R)-1,5,6,7,8,13b-hexahydro-2,3-dimethoxy-1-oxo-6β,7β-dimethyl-13,13b-(epoxymethano)benzo[3,4]cycloocta[1,2-f][1,3]benzodioxol]-8β-yl ester |
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Isovaleric acid [(3aR,4R,6R,8Z)-2,3,3aβ,4,5,6,7,11aα-octahydro-10-hydroxymethyl-6-methyl-3-methylene-2,7-dioxo-6,9-epoxycyclodeca[b]furan]-4-yl ester |
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