.alpha.,.beta.-Cyclopentamethylenetetrazole 1,2,3,3a-Tetrazacyclohepta-8a,2-cyclopentadiene 1,5-Pentamethylenetetrazole 54-95-5 5H-Tetrazolo[1,5-a]azepine, 6,7,8,9-tetrahydro- 5H-Tetrazoloazepine, 6,7,8,9-tetrahydro- 6,7,8,9-Tetrahydro-5-azepotetrazole 6,7,8,9-Tetrahydro-5H-tetrazoloazepine 7,8,9,10-Tetrazabicyclo[5.3.0]-8,10-decadiene Angiazol Angioton Angiotonin Cardiazol Cardiazole Cardifortan Cardiol Cardiotonicum Cardosal Cardosan Cenalene-M Cenazol Centrazole Cerebro-Nicin Coranormal Coranormol Corasol Coratoline Corazol Corazole Corazole (analeptic) Corisan Corsedrol Cortis Corvasol Corvis Coryvet Deamocard Delzol-W Deumacard Diovascole Gewazol Kardiazol Korazol Korazole Lepazol Leptazol Leptazole Metalex-P Metrazol Metrazole NSC5729 Nauranzol Naurazol Nedcardol Neocardol Neurazol Novo cora-vinco Opticor PMT PTZ Pemetesan Penetiazol Penetrasol Penetratsol Pentacard Pentacor Pentamethazol Pentamethazolum Pentamethylene-1,5-tetrazole Pentamethylenetetrazal Pentamethylenetetrazol Pentamethylenetetrazole Pentazol Pentazolum Pentemesan Pentetrazol Pentetrazole Pentrazol Pentrolone Pentrozol Pentylenetetrazol Pentylenetetrazole Petazol Petezol Petrazole Phrenazol Phrenazone Stellacardiol Stillcardiol Su-Zol TT87 Tetracor Tetrasol Tetrazol Tetrazole,