tert-butyl 4-[6-(1,3-benzodioxol-5-yl)-1-[(2-ethyl-2H-tetrazol-5-yl)methyl]-2,4-dioxo-1,4-dihydrothieno[3,2-d]pyrimidin-3(2H)-yl]piperidine-1-carboxylate (HCID 67258894)|Huagongshe