Anhydride

Maleic Anhydride

Tetra HydroPhthalic Anhydride (THPA)

Hexahydrophthalic Anhydride (HHPA)

Methyl tetra-Hydro Phthalic Anhydride (MTHPA)

Methyl nadic Anhydride (MNA)

Phthalic Anhydride (PA)