英文名称:Benzoic acid, 2,2-(2,4(or 4,6)-dihydroxy-1,3-phenylene)bis(azo)bis-, mixed C11-14-branched and linear alkyl and 2-ethylhexyl diesters; 2,2'-[(2,4(or 4,6)-Dihydroxy-1,3-phenylene)bis(azo)]bisbenzoic acid mixed C11-14 -branched and linear alkyl and 2-ethylhexyl diesters