dimethyl 2,2'-(6-(2-((S)-1-((2S,3S)-2-((tert-butoxycarbonyl)amino)-3-((tert-butyldimethylsilyl)oxy)-3-phenylpropanamido)-2-hydroxyethyl)thiazol-4-yl)pyridine-2,5-diyl)bis(thiazole-4-carboxylate)

dimethyl 2,2'-(6-(2'-((5S,6S)-2,2,3,3,13,13-hexamethyl-8,11-dioxo-5-phenyl-4,12-dioxa-7,10-diaza-3-silatetradecan-6-yl)-[2,4'-bithiazol]-4-yl)pyridine-2,5-diyl)bis(thiazole-4-carboxylate)

dimethyl 2,2'-(6-(2-((6S,9S)-9-((S)-((tert-butyldimethylsilyl)oxy)(phenyl)methyl)-2,2,3,3,13,13-hexamethyl-8,11-dioxo-4,12-dioxa-7,10-diaza-3-silatetradecan-6-yl)thiazol-4-yl)pyridine-2,5-diyl)bis(thiazole-4-carboxylate)

dimethyl 2,2'-(6-(2-((6S,9S)-9-((S)-((tert-butyldimethylsilyl)oxy)(phenyl)methyl)-2,2,3,3,13,13-hexamethyl-11-oxo-8-thioxo-4,12-dioxa-7,10-diaza-3-silatetradecan-6-yl)thiazol-4-yl)pyridine-2,5-diyl)bis(thiazole-4-carboxylate)

(S)-2-(1-tert-butoxycarbonylamino-2-N-methylcarbamoyl)ethyl-5-methylthiazole-4-carboxylic acid