for the following products
4,4'-bis-((4-(bis-(2-Hydroxyethyl)amino)-6-(p-sulfoanilino)-S-triazin-2-yl)amino)- | 4,4'-bis-((4-(bis-(2-Hydroxyethyl)amino)-6-(p-sulfoanilino)-S-triazin-2-yl)amino)-)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate] tetra sodium salt | Blankophor | Fluorescent brightener BBU (C.I.220) | Optical brightener 220 and Fluorescent brightener 220
