Synonyms: 4H-1,3,5,2-Dioxazarsenin-6-amine,2,2'-[iminobis(carbonimidoyloxy)]bis[4-imino- (9CI); 4H-1,3,5,2-Dioxazarsenine,2,2'-[iminobis(imidocarbonyloxy)]bis[dihydro-4,6-diimino- (8CI);Imidodicarbonimidic acid, anhydride with arsenious acid (H3AsO3) (3:2)