3D-carboxy-6D-carbobenzoxyamino-2,2-dimethyl-5-oxoperhydro-1,4-thiazepine methyl ester
3D-carboxy-6L-carbobenzoxyamino-2,2-dimethyl-5-oxoperhydro-1,4-thiazepine methyl ester
N-benzyloxycarbonyl-S-trityl-L-cysteinyl-D-penicillamine methyl ester
L-carbobenzoxyamino-4D-carbomethoxy-3,3-dimethyl-6-oxoperhydro-1,2,5-dithiazocine
D-penicillamine methyl ester hydrochloride