title: Synthesis and local anesthetic activity of certain piperazine and ephedrine derivatives.
mesh_terms: D000779:Anesthetics, Local / Q000138:chemical synthesis*; D000818:Animals; D003315:Cornea / Q000187:drug effects; D004809:Ephedrine / Q000008:administration & dosage / Q000138:chemical synthesis* / Q000494:pharmacology; D010879:Piperazines / Q000008:administration & dosage / Q000138:chemical synthesis* / Q000494:pharmacology; D011817:Rabbits; D013997:Time Factors
chemical_list: D000779:Anesthetics, Local; D010879:Piperazines; D004809:Ephedrine