(6R,8S)-[3-(allyl-benzyloxycarbonyl-amino)-6-(tert-butoxycarbonyl-phenyl-aminocarbonyl)-8-methyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidin-8-yl]-acetic Acid tert-butyl Ester (HCID 69600731)|化工社