1,4-dimethyl-5-(1-phenylethylidene)-4,5-dihydro-1H-tetrazole 1H-tetrazole, 4,5-dihydro-1,4-dimethyl-5-(1-phenylethylidene)- InChI=1/C11H14N4/c1-9(10-7-5-4-6-8-10)11-14(2)12-13-15(11)3/h4-8H,1-3H