143488-32-8 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2Z)-(2-amino-4-thiazolyl)((2-(2-(3,4-dihydroxybenzoyl)hydrazino)-1,1-dimethyl-2-oxoethoxy)imino)acetyl)amino)-3-((4-(3-carboxy-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-quinolinyl)-1-piperazinyl)methyl)-8-oxo-, 6R,7R)- Ro 25-0534 Ro-25-0534