67828-39-1 Benzeneacetic acid, 2,4-dihydroxy-alpha-imino-, methyl ester, hydrochloride EINECS 267-261-2 Methyl (2,4-dihydroxyphenyl)iminoacetate hydrochloride Methyl 2,4-dihydroxy-alpha-iminophenyl acetate, hydrochloride