403737-79-1

1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,6-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-4-methyl-7-oxo-3-[[(trifluoromethyl)sulfonyl]oxy]-, 2-propenyl ester, (4R,5R,6S)-