tetrahydroimidazo[4,5-d]imidazole-2,5(1H,3H)-dione;Acetylene Carbamide; Acetylenediurea; Acetylenediureine; Acetyleneurea; Diurea Glyoxalate; Glyoxalbiuret; Glyoxaldiureine; NSC 2765; Tetrahydroimidazo[4,5-d]imidazole-2,5(1H,3H)-dione; Tetrahydroimidazo[4,5-d]imidazole-2,5-dione;Glycoluril
