24769-92-4

methyl 3-[2-[(Z)-[3-(3-methoxy-3-oxo-propyl)-4-methyl-5-oxo-pyrrol-2-ylidene]methyl]-4-methyl-5-[(E)-[(5E)-3-methyl-5-[(3-methyl-5-oxo-4-vinyl-pyrrol-2-yl)methylene]-4-vinyl-pyrrol-2-ylidene]methyl]-1H-pyrrol-3-yl]propanoate