22,25-Epoxy-3β,17,20-trihydroxy-5α-lanosta-7,9(11)-dien-18-oic acid 18,20-lactone;22,25-Epoxyholothurinogenin;3β,17,20-Trihydroxy-22,25-epoxylanosta-7,9(11)-dien-18-oic acid γ-lactone
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