Synonyms: Laciniatoside V;Cyclopenta[c]pyran-4-carboxylic acid,6-[[[(2S,3R,4S)-3-ethenyl-2-(a-Dglucopyranosyloxy)- 3,4-dihydro-4-(2-hydroxyethyl)- 2H-pyran-5-yl]carbonyl]oxy]-1,4a,5,6,- 7,7a-hexahydro-1-hydroxy-7-methyl-,methyl ester,(1R,4aS,6S,7R,7aS)-;