Similar names: 2,5,8-Benzotrioxacycloundecin-1,9-dione, 3,4,6,7-tetrahydro- (9CI, ACI); 3,4,6,7-Tetrahydro-2,5,8-benzotrioxacycloundecin-1,9-dione (ACI); Diethylene glycol, cyclic phthalate (8CI); Phthalic acid, cyclic oxydiethylene ester (8CI); 3,4,6,7-Tetrahydrobenzo[i][1,4,7]trioxacycloundecine-1,9-dione; 3,6,9-Trioxabicyclo[9.4.0]pentadeca-1(15),11,13-triene-2,10-dione; Diethylene glycol bisphthalate; Phthalic Acid, Cyclic Oxydiethylene Ester