10 Nitroso-10-aza-tricyclo[6.3.1.02,7]dodeca-2,4,6-triene-4,5 diamine; 3-Nitroso-2,3,4,5-tetrahydro-1H-1,5-methanobenzo[d]azepine-7,8-diamine ;2,3,4,5-Tetrahydro-3-nitroso-1,5-methano-1H-3-benzazepine-7,8-diamine ; 3-Nitroso-2,3,4,5-tetrahydro-1H-1,5-methanobenzo[d]azepine-7,8-diamine;