2-methyl-4,5,6,7,8,9-hexahydrocycloocta[d][1,2,3]selenadiazol-2-ium InChI=1/C9H15N2Se/c1-11-10-8-6-4-2-3-5-7-9(8)12-11/h2-7H2,1H3/q+ cycloocta[d]-1,2,3-selenadiazolium, 4,5,6,7,8,9-hexahydro-2-methyl-