2-(2-tert-butoxycarbonylamino-3-methyl-thiobutyrylamino)-3-hydroxy-4-methoxy-butyric acid methyl ester

2-(2-tert-butoxycarbonylamino-3-methyl-thiobutyrylamino)-3-(tert-butyl-dimethyl-silanyloxy)-4-methoxy-butyric acid methyl ester

2-(2-tert-butoxycarbonylamino-3-methyl-butyrylamino)-3-(tert-butyl-dimethyl-silanyloxy)-4-methoxy-butyric acid methyl ester

4-{4-[3-amino-3,6-bis-(4-methoxycarbonyl-thiazol-2-yl)-2,3,4,5-tetrahydro-pyridin-2-yl]-thiazol-2-yl}-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

dimethyl 2,2'-(6-(2'-((5S,6S)-2,2,3,3,10,10-hexamethyl-8-oxo-5-phenyl-4,9-dioxa-7-aza-3-silaundecan-6-yl)-[2,4'-bithiazol]-4-yl)pyridine-2,5-diyl)bis(thiazole-4-carboxylate)