Showing structure for (2s,3s,4s)-4-[(4-{[(2e)-1,4-dihydroxy-2-methylbut-2-en-1-ylidene]amino}butyl)-c-hydroxycarbonimidoyl]-2-(4-hydroxyphenyl)-6,8-dimethoxy-5-oxo-3-phenyl-3,4-dihydro-1-benzoxepine-2-carboxylic acid