Showing structure for (1s,4as,4br,6s,6ar,9r,10as,10br,12as)-8-acetyl-1-ethyl-9-hydroxy-1,4a,6a,10b-tetramethyl-2,3,4,4b,5,6,9,10,10a,11,12,12a-dodecahydrochrysen-6-yl (3s)-3-(acetyloxy)butanoate