. "7-{4-[2-Carboxy-8-oxo-7-(2-phenoxy-acetylamino)-5-thia-1-aza-bicyclo[4.2.0]oct-2-en-3-ylmethoxycarbonyl]-piperazin-1-yl}-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid" . "8" . . . . . . . . . . . . . . . . . . . . . . . . . . . . .