英文名称
[1-ethyl-5-[[4-[[4-[2-[1-ethyl-4-methyl-2,6-dioxo-5-(sulfomethyl)pyridin-3-ylidene]hydrazinyl]-3-[hydroxy(phenyl)methyl]-5-methoxyphenyl]-phenylmethyl]-2-[hydroxy(phenyl)methyl]-6-methoxyphenyl]hydrazinylidene]-4-methyl-2,6-dioxopyridin-3-yl]methanesulfonic acid