BOC-S-T-BUTYLTHIO-L-CYSTEINE, N-(TERT-BUTOXYCARBONYL)-L-CYSTINE, Boc-Cys(StBu), BOC-CYS(STBU)-OH, N-[(1,1-dimethylethoxy)carbonyl]-3-[(1,1-dimethylethyl)dithio]-L-alanine, N-(tert-butoxycarbonyl)-S-(tert-butylthio)cysteine, N-(tert-butoxycarbonyl)-S-tert-butylmercapto-L-cysteine, Boc-[S-(tert-butylmercapto)]-L-cysteine, boc-S-tert-butylmercapto-L-cysteine, N-[(tert-Butoxy)carbonyl]-3-[(tert-butyl)dithio]-L-alanine