Chemical and Pharmaceutical Bulletin 2003-Jan
Four guaianolides from Sinodielsia yunnanensis.
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Four new guaianolides, sinodielides A-D (1-4), were isolated from Sinodielsia yunnanensis WOLFF together with a known polyacetylene, falcarindiol, and two known coumarins, bergapten and scopoletin. Their structures were established by spectral and X-ray analyses.