Sodium 8-methyl-2-oxo-1-oxa-8-azaspiro(4.5)dec-3-ene-4-carboxylate;1-Oxa-8-azaspiro(4.5)dec-3-ene-4-carboxylic acid, 8-methyl-2-oxo-, sodium salt;LS-98626;52417-19-3
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