4-26-00-01711 (Beilstein Handbook Reference) 5,6,7,8-Tetrahydrotetrazolo(1,5-a)pyridine 7465-48-7 BRN 0130526 NSC 403766 Tetramethylenetetrazole Tetrazole, (1,4-butanediyl)- Tetrazolo(1,5-a)pyridine, 5,6,7,8-tetrahydro-