Showing structure for n-[(2r)-1-[(11r,12r,13s)-2-methoxy-11-(methoxycarbonyl)-11-(4-methoxyphenyl)-14-oxo-12-phenyl-4,6,10-trioxatricyclo[7.5.0.0³,⁷]tetradeca-1,3(7),8-triene-13-carbonyl]pyrrolidin-2-yl]-2-methylpropanimidic acid