Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety {and containing a polyether chain in the alcohol moiety and polyethylene-co-propylene oxide chain in the alcohol moiety}
Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety {and containing a polyether chain in the alcohol moiety and polyethylene-co-propylene oxide chain in the alcohol moiety}