Showing structure for 5-{2-[1-(4-{[1-hydroxy-3-(4-hydroxy-3-methoxyphenyl)prop-2-en-1-ylidene]amino}butyl)-5-oxo-2h-pyrrol-3-yl]ethyl}-5,6,8a-trimethyl-3,4,4a,6,7,8-hexahydronaphthalene-1-carboxylic acid