1-26-00-00148 (Beilstein Handbook Reference) 3a,6a-Diphenylglycoluril 5157-15-3 7,8-Diphenylglycoluril BRN 0296281 GLYCOLURIL, 3a,6a-DIPHENYL- Glycoluril, 7,8-diphenyl- Imidazo(4,5-d)imidazole-2,5(1H,3H)-dione, tetrahydro-3a,6a-diphenyl- (9CI) NSC 144422 NSC 87602