30650-47-6 Benzeneacetic acid, 4-hydroxy-alpha-((3-methoxy-1-methyl-3-oxo-1-propenyl)amino)-, monosodium salt EINECS 250-271-6 N-(2-Carboxy-1-methylvinyl)-2-(p-hydroxyphenyl)glycine N-methyl ester, monosodium salt Sodium (4-hydroxyphenyl)((3-methoxy-1-methyl-3-oxoprop-1-enyl)amino)acetate