Phytochemical investigation of the chemical constituents of the roots of Bombax malabaricum afforded nine cadinane sesquiterpenoids, including five new compounds (bombamalones A-D, 1-4; bombamaloside,...
Five new naturally occurring abietane diterpenoids (1-5) along with three known diterpenoids (6-8) were isolated from an acetone-soluble extract of the roots of Clerodendrum bungei. The structures of ...
OBJECTIVE: To study chemical constituents of Salvia miltiorrhiz of Lijiang. METHODS: The constituents were separated and purified by column chromatography with silica gel. Their structures were identi...
Five oxanthrone C-glycosides, namely rumejaposide A-E, and an epoxynaphthoquinol, together with eight known compounds, 2,6-dihydroxy benzoic acid, 4-hydroxy benzoic acid, epicatechin, 4-hydroxy-3-meth...
Rainwater samples were colleted from Lijiang City, China, in 23 May-2 July, 2006. Rainwater chemical compositions and sources were studied, using HYSPLIT model, ions tracer techniques, correlation and...