Showing structure for (4br,6as,7s,10as,10br,12s,12as)-2-acetyl-12-(acetyloxy)-7-ethyl-4b,7,10a,12a-tetramethyl-3-oxo-6,6a,8,9,10,10b,11,12-octahydro-5h-chrysene-1-carboxylic acid