title: Interference with excitation by some guanidinium compounds.
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D001001:Anura; D001562:Benzimidazoles / Q000494:pharmacology; D004594:Electrophysiology; D006146:Guanidines / Q000494:pharmacology*; D066298:In Vitro Techniques; D009132:Muscles / Q000187:drug effects*; D011743:Pyrimidines / Q000494:pharmacology; D011894:Rana pipiens; D012584:Sciatic Nerve / Q000187:drug effects*; D013329:Structure-Activity Relationship
chemical_list: D001562:Benzimidazoles; D006146:Guanidines; D011743:Pyrimidines