623564-40-9

4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,6-[(5,6-dihydro-8H-imidazo[2,1-c][1,4]oxazin-2-yl)methylene]-7-oxo-,sodium salt, (5R,6Z)-