874918-68-0

5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,3-[(acetyloxy)methyl]-7-[[[1-(7-chloro-4-quinolinyl)-4-piperidinyl]carbonyl]amino]-8-oxo-, diphenylmethyl ester, (6R,7R)-