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(E)-(3aR,4R,7S,11aS)-7-Methoxymethoxy-2,2-dimethyl-4-propyl-3a,4,7,8,9,11a-hexahydro-1,3,5-trioxa-cyclopentacyclodecen-6-one
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(3aR,4R,7S,11aS,E)-7-((4-methoxybenzyl)oxy)-2,2-dimethyl-4-propyl-3a,4,7,8,9,11a-hexahydro-6H-[1,3]dioxolo[4,5-c]oxecin-6-one