PYCA

APYA

7-AMino-3-(1-pyridylMethyl)-3-cepheM-4-carboxylic Acid

(6R,7R)-7-AMINO-3-(1-PYRIDINIUM-METHYL)CEPH-3EM-4-CARBOXYLIC,ENTERPRISE STANDARD

(6R-trans)-1-[(7-AMino-2-carboxy-8-oxo-5-thia-1-azabicyclo [4.2.0]oct-2-en-3-yl)Methyl]pyridi

1-[[(6R,7R)-7-AMino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]Methyl]-pyridiniuM Inner Salt