4,5,6,7,8,9-hexahydrocycloocta[d][1,2,3]selenadiazole InChI=1/C8H12N2Se/c1-2-4-6-8-7(5-3-1)9-10-11-8/h1-6H cycloocta[d]-1,2,3-selenadiazole, 4,5,6,7,8,9-hexahydro-