Synonyms: Butanedioicacid, 2,3-dihydroxy- (2R,3R)-, bis(1,1-dimethylethyl) ester (9CI); Butanedioicacid, 2,3-dihydroxy-[R-(R*,R*)]-, bis(1,1-dimethylethyl) ester;(2R,3R)-Di-tert-butyl tartrate; Di-tert-butyl (+)-L-tartrate; Di-tert-butyltartrate; L-(+)-Tartaric acid di-tert-butyl ester