Whitex WG, 4-[[3-(4-Chlorophenyl)-4,5-dihydro-5-phenyl-1H-pyrazol]-1-yl]benzenesulfonic acid sodium salt, 4-[3-(4-Chlorophenyl)-5-phenyl-2-pyrazoline-1-yl]benzenesulfonic acid sodium salt, 4-[[3-(4-Chlorophenyl)-5-phenyl-4,5-dihydro-1H-pyrazole]-1-yl]benzenesulfonic acid sodium salt, C.I.Fluoresent Brightener 54, Uvitex WG, Tinopal WG