title: Application of difference spectrophotometry to the determination of dipyrone.
mesh_terms: D000632:Aminopyrine / Q000031:analogs & derivatives*; D004177:Dipyrone / Q000032:analysis*; D008722:Methods; D011208:Powders / Q000032:analysis; D012996:Solutions / Q000032:analysis; D013056:Spectrophotometry, Ultraviolet; D013607:Tablets / Q000032:analysis
chemical_list: D011208:Powders; D012996:Solutions; D013607:Tablets; D000632:Aminopyrine; D004177:Dipyrone