phosphonic,imidazolidinyl,diethyl,ester,imidazolidin
Imidazolidin
137990-60-41-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,3-[[5-(2,5-dioxo-4-imidazolidinyl)-1-[[(4-nitrophenyl)methoxy]carbonyl]-3-pyrrolidinyl]thio]-6-(1-hydroxyethyl)-7-oxo-, (4-nitrophenyl)methyl ester
137990-59-11-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,3-[[5-(2,5-dioxo-4-imidazolidinyl)-1-[[(4-nitrophenyl)methoxy]carbonyl]-3-pyrrolidinyl]thio]-6-(1-hydroxyethyl)-4-methyl-7-oxo-,(4-nitrophenyl)methyl ester