144780-70-1

(3 S ,6 S ,1- S)-3-[1--(N -benzyloxycarbonyl- L -asparaginyl)amino-2--phenylethyl]-1-aza-4-oxabicyclo[4.3.0]nonan-2,5-dione

(3 S ,6 S ,1- S)-3-[1--(N -benzyloxycarbonyl- L -asparaginyl)amino-2--phenylethyl]-1-aza-4-oxabicyclo[4.3.0]nonan-2,5-dione