Studies on the constituents of Hedera rhombea Bean. I. Glycosides of hederagenin.

Four triterpenoid saponins, tentatively named saponins K3, K6, K10 and K12, were isolated from the stems of Hedera rhombea BEAN (Araliaceae). They were identified with hederagenin glycosides represented as formulae I, III, V and IX, respectively.

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