Four new resin glycosides, calyhedins VII-X, from the rhizomes of .

Four new resin glycosides with macrolactone structures (jalapins), namely, calyhedins VII ()-X (), were isolated from the rhizomes of Wall. (Convolvulaceae). The structures of - were determined based on spectroscopic data.

Calyhedins I-VI: Resin glycosides from the rhizomes of Calystegia hederacea.

Six previously undescribed resin glycosides, calyhedins I-VI, were isolated from the rhizomes of Calystegia hederacea Wall., which are the first genuine resin glycosides isolated from C. hederacea.