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Chemical Name:(6R,7r)-3-(chloromethyl)-7-[(4-methylbenzoyl)amino]-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid diphenylmethyl ester 
Cas No.:91177-27-4 
Molecular Formula:C29H25ClN2O5 



 
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