Two new cucurbitane-type glycosides obtained from roots of Siraitia grosvenori SWINGLE
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Novel Cucurbitane-type glycosides, 5beta,19beta-epoxy-29-nor-3,11-dioxo-cucurbit-24-ene-27-oic acid 27-O-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranoside (1) and 19,29-nor-3,11-dioxo-cucurbit-4,24-diene-27-oic acid 27-O-beta-D-glucopyranosyl-(1-->6)-beta-D... ...