ethyl 1-((2S)-2-(tert-butoxycarbonylamino)-3-(4-(2-(tetrahydro-2H-pyran-2-yloxy)ethoxy)phenyl)propanoyl)piperidine-4-carboxylate

(S)-ethyl 1-(2-(4-((2-(N-(bis(4-methoxyphenyl)(phenyl)methyl)sulfamoyl)benzo[d]thiazol-6-yloxy)methyl)-1H-1,2,3-triazol-1-yl)-3-(4-(2-(tosyloxy)ethoxy)phenyl)propanoyl)piperidine-4-carboxylate

(S)-ethyl 1-(2-azido-3-(4-(2-(tosyloxy)ethoxy)phenyl)propanoyl)piperidine-4-carboxylate

(S)-ethyl 1-(2-azido-3-(4-(2-hydroxyethoxy)phenyl)propanoyl)piperidine-4-carboxylate