Tert-butyl (s)-1-((s)-1-((2s,4s)-4-azido-2-((r)-1,2,3,4-tetrahydronaphthalen-1-ylcarbamoyl)pyrrolidin-1-yl)-3,3-dimethyl-1-oxobutan-2-ylamino)-1-oxopropan-2-yl(methyl)carbamate