3-[2-[(z)-[3-(2-carboxyethyl)-4-methyl-5-[(z)-(3-methyl-5-oxo-4-vinyl-pyrrol-2-ylidene)methyl]pyrrol-2-ylidene]methyl]-5-[(z)-[(3z,4r)-3-ethylidene-4-methyl-5-oxo-pyrrolidin-2-ylidene]methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid - Open Babel Depiction