ethyl (2,4-dihydroxyphenyl)glycolate α,2,4-Trihydroxybenzeneacetic acid ethyl ester Benzeneacetic acid, alpha,2,4-trihydroxy-, ethyl ester Einecs 267-280-6 Ethyl alpha,2,4-trihydroxyphenylacetate Benzeneacetic acid, α,2,4-trihydroxy-, ethyl ester