Showing structure for (4r)-4-[(1s,3r,6r,7r,11s,12r,13r)-11-(2-carboxyethyl)-13-(hydroxymethyl)-3,7,11,13-tetramethyl-9-oxo-14-oxatetracyclo[10.2.1.0²,¹⁰.0³,⁷]pentadec-2(10)-en-6-yl]pentanoic acid