Ursane and sterol derivatives from Pleuchea lanceolata
作者： M. Sarwar Alam , Neeraj Chopra , Mohammed Ali , Masatake Niwa , Tatsuko Sakaet
DOI: 10.1016/0031-9422(94)85091-7
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摘要: Abstract Pleuchioside, a new ursane derivative and pleuchiol, stigmastanol were isolated from the leaves of Pleuchea lanceolata . Their structures have been established as urs-3α,19α,20β-triol stigmasta-5,11 12-dien-3p-ol, respectively, on basis full spectral analyses chemical methods.
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