2,2'-(2,5-Thiophenediyl)bisbenzoxazole;2,5-Bis(2-benzoxazolyl)thiophene; 2,5-Di(benzoxazol-2-yl)thiophene; C.I. 515240;C.I. Fluorescent Brightener 172; C.I. Fluorescent Brightener 185; C.I.Fluorescent Brightener 190; C.I. Fluorescent Brightening Agent 185; C.I.Fluorescent Brightening Agent 190; Fluorescent Brightener 172; FluorescentBrightener 185; Fluorescent Brightener 190; SOF; SOF (fluorescent brightener);Thiophenebis(benzoxazolyl); Tinopal SOP; Unitex OB; Uvitex EBF; Uvitex EBV;Uvitex SOF
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