157087-73-5

5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid,3-[[[[[1-(3-carboxy-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-7-quinolinyl)-3-pyrrolidinyl]amino]carbonyl]oxy]methyl]-7-[(cyanoacetyl)amino]-8-oxo-,[6R-(6a,7b)]-