dinatrijev 8-amino-5-4-[2-(sulfonatoetoksi)sulfonil]fenilazonaftalen-2-sulfonat
reaktionsblandning av: 2-hydroxi-3-(metakryloyloxi)propyl(2-bensoyl)bensoat; 1-hydroximetyl-2-(metakryloyloxi)etyl(2-bensoyl)bensoat; x-hydroxi-y-(metakryloyloxi)propyl(eller -etyl)-(2-bensoyl)bensoat