title: Synthesis of substance P analogs with arginine in position eleven.
mesh_terms: D000818:Animals; D001120:Arginine / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D013329:Structure-Activity Relationship; D013373:Substance P / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000494:pharmacology
chemical_list: D013373:Substance P; D001120:Arginine