[Identification reaction and spectrophotometric determination of novalgin using the sodium salt of 1,2-naphthoquinone-4-sulfonic acid].
D000632:Aminopyrine / Q000031:analogs & derivatives; D004177:Dipyrone; D009285:Naphthoquinones / Q000737:chemistry*; D012964:Sodium; D013053:Spectrophotometry; D013451:Sulfonic Acids
D009285:Naphthoquinones; D013451:Sulfonic Acids; D000632:Aminopyrine; D004177:Dipyrone; D012964:Sodium; C505589:1,2-naphthoquinone-4-sulfonic acid
AMINOPYRINE/related compounds; NAPHTHOQUINONES/chemistry