methyl (6S,9R,12S,13S)-9-((1H-indol-3-yl)methyl)-12-(4-(2-((tert-butyldimethylsilyl)oxy)ethyl)phenyl)-13-methoxy-2,2,6,8-tetramethyl-4,7,10-trioxo-3-oxa-5,8,11-triazatetradecan-14-oate

(2R,3R,7S,E)-8-(tert-butoxy)-3,5,7-trimethyl-8-oxooct-4-en-2-yl (6S,9R,12S,13S)-9-((1H-indol-3-yl)methyl)-12-(4-(2-((tert-butyldimethylsilyl)oxy)ethyl)phenyl)-13-methoxy-2,2,6,8-tetramethyl-4,7,10-trioxo-3-oxa-5,8,11-triazatetradecan-14-oate

(2S,3R)-methyl 3-(4-(2-(tert-butyldimethylsilyloxy)ethyl)phenyl)-2,3-dihydroxypropanoate

(2S,3S)-methyl 3-azido-3-(4-(2-(tert-butyldimethylsilyloxy)ethyl)phenyl)-2-hydroxypropanoate

(2S,3S)-methyl 3-azido-3-(4-(2-(tert-butyldimethylsilyloxy)ethyl)phenyl)-2-methoxypropanoate