serine,ester,glycine
Serine
646036-73-9L-Serine,(2R)-N-[[4-[(2R,3R)-3-[[2-hydroxy-2-(3-thienyl)ethyl]thio]-4-oxo-1-phenyl-2-azetidinyl]phenoxy]acetyl]-2-phenylglycyl-
646036-76-2L-Serine,(2R)-N-[[4-[1-(4-fluorophenyl)-3-[2-[(4-fluorophenyl)sulfonyl]ethyl]-4-oxo-2-azetidinyl]phenoxy]acetyl]-2-phenylglycyl-