guanidine,2-hydroxyiminopropanedinitrile; hydroxyimino-malononitrile,compound with guanidine; Hydroxyimino-malononitril,Verbindung mit Guanidin; guanidine salt of isonitrosomalononitrile; 2-hydroxyiminopropanedinitrile; guanidine salt of 2-(hydroxyimino)propanedinitrile