[(1~{R},2~{R},3~{S},4~{R})-2,3-bis(oxidanyl)-4-[[2-[3-(trifluoromethylsulfanyl)phenyl]pyrazolo[1,5-a]pyrimidin-7-yl]amino]cyclopentyl]methyl sulfamate

P0CG53 — Polyubiquitin-B