Alias：
Tetrahydroimidazo[4,5-d]imidazole-2,5(1H,3H)-dione;Acetyleneurea;Tetrahydroimidazo[4,5-d]imidazole-2,5-(1H,3H)-dione;perhydroimidazo(4,5-d)imidazole-2,5-dione;di-1,2-ureyleneethane;Glycoluril;1,3,3a,4,6,6a-hexahydroimidazo[4,5-d]imidazole-2,5-dione;Octahydroimidazo[4,5-d]imidazolidine-2,5-dione;2,4,6,8-tetraazabicyclo<3,3,0>octan-3,7-dione;2,4,6,8-tetraazabicyclo<3.3.0>octane-3,7-dione;acetylene carbamide;Acetylene diurein;acetylenediurea;Acetylenediureine;Glyoxalbiuret;Glyoxaldiureine;Glyoxaldiurene;TETRAHYDRO-IMIDAZO(4,5-D)IMIDAZOLE-2,5-DIONE;Acetylene carbamide;NSC 2765;Tetrahydroimidazo[4,5-d]imidazole-2,5-dione;Acetylenediurea
