[2R-(2a,6a,7a)]-7-(benzoylamino)-3-methyl-8-oxo-5-Oxa-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid diphenylmethyl ester
拉氧头孢钠中间体 3
CAS No. 68314-21-6
[2R-(2a,6a,7a)]-7-(benzoylamino)-3-methyl-8-oxo-5-Oxa-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid diphenylmethyl ester;
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