31938-07-5
3-溴氰苄
→
143433-71-0
sodium,(6R,7R)-3-(acetyloxymethyl)-7-[[1-(3-bromophenyl)cyclopentanecarbonyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate