Showing structure for n-{1-[(1r,12r,13s,14r,15s)-1,15-dihydroxy-3-methoxy-12-(4-methoxyphenyl)-13-phenyl-5,7,11-trioxatetracyclo[10.2.1.0²,¹⁰.0⁴,⁸]pentadeca-2,4(8),9-triene-14-carbonyl]pyrrolidin-2-yl}-3-methylbut-2-enimidic acid