A group of antibiotics that include a beta-lactam ring in their structure.
If you need to purchase chemical raw materials, submit your demand information to get the latest quotations.
2,2,2-trichloroethyl 7β-phenoxyacetamido-3-methyl-3-cephem-4-carboxylate 1S-(β)-oxide
m-(benzyloxycarbonyl)phenyl acetic acid
amino(isothiazol-4-yl)acetic acid
