917565-59-4

Methanesulfonic acid, 1,1,1-trifluoro-,4-[(2S,3R)-3-[(3S)-3-(acetyloxy)-3-(4-fluorophenyl)propyl]-1-[4-[3-[(methylsulfonyl)amino]propyl]phenyl]-4-oxo-2-azetidinyl]phenyl ester