1H-tetrazolium, 5-cyclopropyl-1,4-dimethyl- 5-cyclopropyl-1,4-dimethyl-1H-tetrazol-4-ium InChI=1/C6H11N4/c1-9-6(5-3-4-5)10(2)8-7-9/h5H,3-4H2,1-2H3/q+