Massularosides E-N, triterpenoid saponins from the stem bark of Massularia acuminata, featuring rare N-acetylglucosamine and sulphoquinovose units
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Phytochemical investigation of the stem bark of Massularia acuminata (Rubiaceae) led to the isolation of 20 triterpenoid saponins, including ten previously undescribed natural products, designated massularosides E-N (1-10). The compounds were purified from the... ...
