4,4'-Bis((4,6-bis((3-sulphophenyl)amino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonic acid, disodium salt, compound with 1,1',1''-nitrilotripropan-2-ol (1:4) 83949-30-8 EINECS 281-389-6