英文名称
1-[4-[[4-[[4-[dihydroxy(oxo)-lambda6-sulfanylidene]cyclohexa-2,5-dien-1-ylidene]hydrazinylidene]cyclohexa-2,5-dien-1-ylidene]amino]-6-[3-(1-hydroxyethylideneamino)-4-[(3,6,8-trisulfonaphthalen-2-yl)diazenyl]phenyl]imino-1H-1,3,5-triazin-2-yl]pyridin-1-ium-3-carboxylic acid