1,5,5,7,7-pentamethyl-1,5,6,7-tetrahydrotetrazolo[1,5-a]pyridine InChI=1/C10H18N4/c1-9(2)6-8-13(5)11-12-14(8)10(3,4)7-9/h6H,7H2,1-5H tetrazolo[1,5-a]pyridine, 1,5,6,7-tetrahydro-1,5,5,7,7-pentamethyl-