351495-90-4

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