Synthesis of some 4-substituted antipyrine derivatives structurally to local anesthetics.
D000588:Amines; D000779:Anesthetics, Local; D000983:Antipyrine; D001565:Benzoates / Q000138:chemical synthesis*; D002626:Chemistry, Pharmaceutical; D004952:Esters / Q000138:chemical synthesis
D000588:Amines; D000779:Anesthetics, Local; D001565:Benzoates; D004952:Esters; D000983:Antipyrine