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4.
Name: 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 3-(((5-(carboxymethyl)-1,3,4-thiadiazol-2-yl)thio)methyl)-7-(((((2-(4-formyl-1-piperazinyl)-1,5-dihydro-5-oxopyrido(2,3-d)pyrimidin-6-yl)carbonyl)amino)(4-hydroxyphenyl)acetyl)amino)-8-oxo-, disodium salt, (6R-(6-alpha,7-beta(R*)))-
CAS: 71445-19-7
7.
9.
10.