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(4S,5S)-4beta-[(1S)-2beta-Methyl-2-(2-oxoethyl)-3beta-(benzoyloxy)-6alpha-(methoxymethoxy)cyclohexane-1beta-yl]-6,6,8-trimethyl-9beta-(benzoyloxy)-1,3-dioxaspiro[4.5]deca-7-ene-2-one


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