4,5,6,7,7a,8a-hexahydrooxireno[3,4]cycloocta[1,2-d][1,2,3]selenadiazole InChI=1/C8H10N2OSe/c1-2-4-6-7(11-6)8-5(3-1)9-10-12-8/h6-7H,1-4H oxireno[3,4]cycloocta[1,2-d]-1,2,3-selenadiazole, 4,5,6,7,7a,8a-hexahydro-