4,4'-Bis((4-(bis(2-hydroxyethyl)amino)-6-((3-sulphophenyl)amino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonic acid, potassium sodium salt, compound with 2,2'-iminodiethanol 85153-94-2 EINECS 285-878-5