2-Azetidinebutanoic acid, a-diazo-3-(1-hydroxyethyl)-b,4-dioxo-, (4-nitrophenyl)methyl ester, [2R-[2a,3b(R*)]]-

2-Azetidinebutanoic acid, a-diazo-3-(1-hydroxyethyl)-b,4-dioxo-, (4-nitrophenyl)methyl ester, [2R-[2a,3b(R*)]]- · CAS 74288-39-4