Preparation of 2-(4'-hydroxybenzeneazo)-benzoic acid.
D000418:Albumins / Q000032:analysis; D001391:Azo Compounds / Q000138:chemical synthesis*; D001565:Benzoates / Q000138:chemical synthesis*; D004396:Coloring Agents / Q000138:chemical synthesis*
D000418:Albumins; D001391:Azo Compounds; D001565:Benzoates; D004396:Coloring Agents