desacetyl cephapirin
CAS No. 38115-21-8
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 3-(hydroxymethyl)-8-oxo-7-[[(4-pyridinylthio)acetyl]amino]-, (6R,7R)-(9CI); 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,3-(hydroxymethyl)-8-oxo-7-[[(4-pyridinylthio)acetyl]amino]-, (6R-trans)