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1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,
6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3-[[1-(1H-pyrrol-2-ylcarbonyl)-3-
azetidinyl]thio]-, monosodium salt, (4R,5S,6S)-
CAS:886589-70-4
Formula:C18H21N3O5S.Na

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5-Quinolinesulfonic acid,
8-hydroxy-7-[[[3-[(1-methyl-3-oxobutylidene)amino]propyl]imino]methyl]-,
monosodium salt
CAS:390367-86-9
Formula:C18H21N3O5S.Na

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1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,
3-[[2-(dimethylamino)-2-oxo-1-(2-pyridinyl)ethyl]thio]-6-(1-hydroxyethyl)-
7-oxo-, monosodium salt
CAS:138088-97-8
Formula:C18H21N3O5S.Na

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1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,
3-[[2-(dimethylamino)-2-oxo-1-(3-pyridinyl)ethyl]thio]-6-(1-hydroxyethyl)-
7-oxo-, monosodium salt
CAS:138088-98-9
Formula:C18H21N3O5S.Na