Structurally diverse monoterpene indole alkaloids with vasorelaxant activities from the branches of Alstonia scholaris
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Seven undescribed monoterpene indole alkaloids alstoscholarinines A‒G, along with nineteen known alkaloids, were isolated from the branches of Alstonia scholaris (L.) R. Br. The isolated alkaloids were classified into ten framework types. The structures of th... ...
