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