D-Alanine,N-[2-[4-[(2R,3R)-3-[[2-(2,3-dihydro-5-benzofuranyl)-2-hydroxyethyl]thio]-1-(4-fluorophenyl)-4-oxo-2-azetidinyl]phenoxy]acetyl]glycyl-3-cyclohexyl-,ammonium salt (1:1)
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