CAS Number: 84-74-2
Chemical Name: Dibutyl Phthalate
Molecular Formula: C16H22O4
Molecular Weight: 278.34

CAS Number: 1962-75-0
Chemical Name: Dibutyl terephthalate
Molecular Formula: C16H22O4
Molecular Weight: 278.35

CAS Number: 13988-26-6
Chemical Name: Diethylene Glycol Cyclic Phthalate
Molecular Formula: C12H12O5
Molecular Weight: 236.22