Synonyms: Olean-12-en-28-oicacid, 3,25-epoxy-3-hydroxy-22-[(2-methyl-1-oxo-2-butenyl)oxy]-, [3b,22b(Z)]-; Olean-12-en-28-oic acid,3,25-epoxy-3-hydroxy-22-[[(2Z)-2-methyl-1-oxo-2-butenyl]oxy]-, (3b,22b)- (9CI); (+)-22b-(Angeloyloxy)lantanolic acid; Camaric acid