Synonyms: Glycoluril(6CI,7CI,8CI);Acetylene carbamide;Acetylenediurea;Acetylenediureine;Acetyleneurea;Diurea glyoxalate;Glyoxalbiuret;Glyoxaldiureine;Imidazo[4,5-d]imidazole-2,5(1H,3H)-dione,tetrahydro-;Tetrahydroimidazo[4,5-d]imidazole-2,5(1H,3H)-dione;Tetrahydroimidazo[4,5-d]imidazole-2,5-dione;