Synonyms: Butanedioicacid, methyl-, dimethyl ester, (2S)- (9CI);Butanedioic acid, methyl-, dimethylester, (S)-;(-)-(S)-Dimethyl methylsuccinate;(2S)-2-Methylbutane-1,4-dioicacid dimethyl ester;(2S)-Methylbutanedioic acid dimethyl ester;(S)-2-Methylglutaric acid dimethyl ester;(S)-Dimethyl 2-methylsuccinate;(S)-Dimethyl methylsuccinate;(S)-a-Methylsuccinic acid dimethyl ester;Dimethyl (2S)-2-methylsuccinate;