578-19-8 Bis(o-carboxyphenyl) succinate Butanedioic acid, bis(2-carboxyphenyl) ester (9CI) EINECS 209-420-0 NSC 518104 O,O-Succinyldi(salicylic acid) Salisuccyl Succinic acid, diester with salicylic acid (8CI) Succinyldisalicylic acid Succinylsalicylic acid