The molecule is a triterpene glycoside and hemiacetal isolated from a fermentation of Hormonema sp. and which specifically inhibits glucan synthesis in fungal cells. It has a role as an antifungal agent. It is a triterpenoid saponin, a monosaccharide derivative and a lactol.
(1R,5S,6R,7R,10R,11R,14S,15S,20R,21R)-20-acetyloxy-18-hydroxy-5,7,10,15-tetramethyl-7-[(2R)-3-methylbutan-2-yl]-21-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-17-oxapentacyclo[13.3.3.01,14.02,11.05,10]henicos-2-ene-6-carboxylic acid