Two New Cucurbitane Glycosides from the Fruits of Siraitia grosvenori

Two novel cucurbitane glycosides, named as 11-oxomogroside III A(1) and 7 beta-methoxy-mogroside V, along with sixteen known ones were isolated from the fruits of Siraitia grosvenori SWINGLE. The structures of the new compounds were characterized by chemical and extensive spectral methods.