Synonyms: Propanoicacid, 3,3'-thiobis-, dimethyl ester (9CI); Propionic acid, 3,3'-thiodi-,dimethyl ester (6CI,7CI,8CI); 3,3'-Thiobis(methyl propionate);Bis(2-methoxycarbonylethyl) sulfide; Dimethyl 3,3'-thiodipropionate; Dimethylthiodipropionate; NSC 2244; NSC 35224; Thiodipropionic acid dimethyl ester; b,b'-Dicarbomethoxydiethyl sulfide