benzyl 4-((tert-butoxycarbonyl)(2-oxotetrahydrofuran-3-yl)amino)-2-((tetrahydro-2H-pyran-2-yl)oxy)butanoate

英文名：benzyl 4-((tert-butoxycarbonyl)(2-oxotetrahydrofuran-3-yl)amino)-2-((tetrahydro-2H-pyran-2-yl)oxy)butanoate