Showing structure for (2e)-4-({3,9-dihydroxy-10-[(4z,6z,12z,14e)-10-hydroxy-3,15-dimethoxy-7,9,11,13-tetramethyl-16-oxo-1-oxacyclohexadeca-4,6,12,14-tetraen-2-yl]-2,4,8-trimethyl-7-oxoundecan-5-yl}oxy)-n-(2-hydroxy-5-oxocyclopent-1-en-1-yl)-4-oxobut-2-enimidic acid