英文名称
5-[[4-[[4-[[2,6-Dihydroxy-4-methyl-5-(3-methylpyridin-1-ium-1-yl)pyridin-3-yl]hydrazinylidene]cyclohexa-2,5-dien-1-ylidene]-hydroxymethyl]iminocyclohexa-2,5-dien-1-ylidene]hydrazinylidene]-6-hydroxy-4-methyl-3-(3-methylpyridin-1-ium-1-yl)pyridin-2-one