Synonyms: LS-149710;4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(((((6-(4-(((1-acetyl-4-(formyloxy)-2-pyrrolidinyl)carbonyl)amino)phenyl)-1,2-dihydro-2-oxo-3-pyridinyl)carbonyl)amino)(4-hydroxyphenyl)acetyl)amino)-3,3-dimethyl-7-oxo-, monosodium salt, (2S-(2-alpha,5-alpha,6-beta(S*(2R*,4S*))))-;76854-59-6