n-hydroxy-2-nitrosocyclohept-1-en-1-amine, cycloheptane-1,2-dione dioxime, 1,2-Cycloheptanedione dioxime, 1,2-di(hydroxyimino)cycloheptane, Heptoxime, cycloheptanedione 1,2-dioxime, (1Z,2Z)-N,N'-dihydroxycycloheptane-1,2-diimine, Cycloheptandiondioxim, Cycloheptan-1,2-dion-dioxim