Showing structure for 3-[(1r,2s,6s,7s,9r,11s)-11-hydroxy-5-(2-hydroxypropan-2-yl)-1-(methoxycarbonyl)-2,6,9,11-tetramethyl-13-methylidene-10,12-dioxotricyclo[7.3.1.0²,⁷]tridec-4-en-6-yl]propanoic acid