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(R)-(-)-2-Phenylglycine methyl ester hydrochloride/H-D-PHG-OME HCL is an important intermediate in the synthesis of cefaclor and ampicillin,cefaclor and ampicillin are semi-synthetic second generation cephalosporins, and their antibacterial spectrum and antibacterial activity are similar to cefacazoline.It is mainly used to treat otitis media, lower respiratory tract infection, urinary tract infection, skin and skin tissue infection, and can inhibit all Haemophilus influenzae. Including strains resistant to ampicillin.

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