(22R)-22,25-Epoxy-3β,20-dihydroxylanosta-7,9(11)-dien-18-oic acid 18,20-lactone;17-Deoxy-22,25-epoxyholothurinogenin;3β,20-Dihydroxy-22,25-epoxylanosta-7,9(11)-dien-18-oic acid γ-lactone
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