Nordihydroguaiaretic acid500-38-9100 % similar 3,4-Dihydroxybenzyl alcohol3897-89-057 % similar 4-Ethyl-1,2-benzenediol1124-39-655 % similar Macelignan107534-93-053 % similar Salvianic acid A76822-21-449 % similar Hydroxytyrosol10597-60-148 % similar D-Dopa5796-17-847 % similar Dopa59-92-747 % similar Dl-dopa63-84-347 % similar Dopamine51-61-647 % similar 1-(3,4-Dihydroxyphenyl)-2-propanone2503-44-846 % similar Hydroxychavicol1126-61-045 % similar 3,4-Dihydroxybenzylamine hydrobromide16290-26-945 % similar Methyldopamine hydrochloride62-32-843 % similar L-Dopa methyl ester hydrochloride1421-65-443 % similar Dopamine hydrochloride62-31-743 % similar Dopamine hydrobromide645-31-843 % similar Dihydrocaffeic acid1078-61-141 % similar Secoisolariciresinol29388-59-840 % similar 4-Methylcatechol452-86-840 % similar