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Article
Bisindole alkaloids from Voacanga grandifolia leaves
Two new bisindole alkaloids, 12′-O-demethyl-vobtusine-5-lactam and isovobtusine-N-oxide (1 and 2), were isolated from the leaves of Voacanga grandifolia, together with two known bisindole alkaloids. Their structu...
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Article
Open AccessAntiviral activities of Indonesian medicinal plants in the East Java region against hepatitis C virus
Hepatitis C virus (HCV) is a major cause of liver disease and a potential cause of substantial morbidity and mortality worldwide. The overall prevalence of HCV infection is 2%, representing 120 million people ...
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Article
Sanjecumins A and B: new limonoids from Sandoricum koetjape
Two new limonoids, sanjecumins A (1) and B (2), have been isolated from the leaves of Sandoricum koetjape, together with sandoripins A (3) and B (4). Their structures and absolute configurations were elucidated o...