N-benzyloxycarbonyl-S-(2,4,6-trimethylbenzyl)-L-cysteine
o-nitrobenzenesulfenyl-L-isoleucyl-L-glutaminyl-L-asparaginyl-S-(2,4,6-trimethylbenzyl)-L-cysteinyl-L-prolyl-L-leucyl-glycine amide
(S)-1-[(R)-2-[(S)-2-((S)-2-Amino-4-carbamoyl-butyrylamino)-3-carbamoyl-propionylamino]-3-(2,4,6-trimethyl-benzylsulfanyl)-propionyl]-pyrrolidine-2-carboxylic acid [(S)-1-(carbamoylmethyl-carbamoyl)-3-methyl-butyl]-amide; hydrochloride
o-nitrobenzenesulfenyl-L-glutaminyl-L-asparaginyl-S-(2,4,6-trimethylbenzyl)-L-cysteinyl-L-prolyl-L-leucyl-glycine amide
(S)-2-Amino-N1-[(R)-2-{(S)-2-[(S)-1-(carbamoylmethyl-carbamoyl)-3-methyl-butylcarbamoyl]-pyrrolidin-1-yl}-2-oxo-1-(2,4,6-trimethyl-benzylsulfanylmethyl)-ethyl]-succinamide; hydrochloride