1,5-PentamethylenetetrazoleMetrazoleα,β-CyclopentamethylenetetrazolePENTYLENETETRAZOLE6,7,8,9-Tetrahydro-5H-tetrazolo-[1,5-a]azepinePENTAMETHYLENETETRAZOLEα,β-Cyclopentamethylenetetrazole戊撑四唑1,5-五亚甲基-1H-四唑6,7,8,9-四氢-5H-四唑并氮杂卓戊四唑1,5-五亚甲基-1H-四唑1,5-PentamethylenetetrazolePentylenetetrazole戊四唑Pentylenetetrazol戊四氮6,7,8,9-Tetrahydro-5H-tetrazolo[1,5-a]azepinePentylenetetrazolePentazol6,7,8,9-Tetrahydro-5H-tetrazoloazepinePentavet1,5-Pentamethylene-1H-tetrazoleKorazoleCardiazole1,2,3,3a-Tetrazacyclohepta-8a,2-cyclopentadieneCardiazolLeptazolVentrazolAngiazolCardiol7,8,9,10-Tetrazabicyclo[5.3.0]-8,10-decadieneYetrazol6,7,8,9-tetrahydro-5-azepotetrazole6,7,8,9-tetrahydro-5H-tetrazolo[1,5-a]azepinepentylenetetrazol1,5-pentamethylenetetrazolePentetrazolpentetrazolpentamethylene-1,5-tetrazole7,8,9,10-tetrazabicyclo[5.3.0]-8,10-decadienealpha,beta-cyclopentamethylenetetrazolePentylenetetrazole