Synonyms: Cystine,N,N'-dicarboxy-, N,N'-di-tert-butyl ester (7CI);Cystine, N,N'-dicarboxy-,N,N'-di-tert-butyl ester, L- (8CI);N,N'-Bis(tert-butoxycarbonyl)-L-cysteine;N,N'-Bis(tert-butoxycarbonyl)-L-cystine;N,N'-Bis(tert-butoxycarbonyl)cystine;N,N'-Di-BOC-L-cystine;NSC 164046;