4,4'-bis(di-(2-hydroxyethyl)amino-4-(3-sulfophenylamino)-1,3,5-triazine-6-ylamino)-stilbene-2,2'-disulfonic acid
4,4'-bis(di-(2-hydroxyethyl)amino-4-(3-sulfophenylamino)-1,3,5-triazine-6-ylamino)-stilbene-2,2'-disulfonic acid