Showing structure for 3-[2-({5-[(4-ethenyl-5-hydroxy-3-methyl-2h-pyrrol-2-yl)methyl]-3-(3-methoxy-3-oxopropyl)-4-methyl-1h-pyrrol-2-yl}methyl)-5-[(3-ethylidene-5-hydroxy-4-methyl-2,4-dihydropyrrol-2-yl)methyl]-4-methyl-2h-pyrrol-3-yl]propanoic acid