tert-butyl (4-(2-(4-(3-(but-3-yn-1-yl)-1,2,4-oxadiazol-5-yl)piperidin-1-yl)-2-oxoethoxy)phenethyl)carbamate

(S)-6-azido-N-(1-((4-(2-(4-(3-(but-3-yn-1-yl)-1,2,4-oxadiazol-5-yl)piperidin-1-yl)-2-oxoethoxy)phenethyl)amino)-1-oxo-3-phenylpropan-2-yl)hexanamide

(24Z,54E,13S)-13-benzyl-55-iodo-51H-19-oxa-12,15-diaza-2(5,3)-oxadiazola-1(4,1)-piperidina-5(4,1)-triazola-18(1,4)-benzenacyclohenicosaphane-11,14,21-trione