1,4-dimethyl-5-prop-2-en-1-ylidene-4,5-dihydro-1H-tetrazole 1H-tetrazole, 4,5-dihydro-1,4-dimethyl-5-(2-propenylidene)- InChI=1/C6H10N4/c1-4-5-6-9(2)7-8-10(6)3/h4-5H,1H2,2-3H