Ethyl caffeate102-37-431 % similar 3-Aminotyrosine300-34-531 % similar 1-Caffeoylquinic acid1241-87-831 % similar Isoforsythiaside1177581-50-831 % similar 3-Fluoro-DL-tyrosine403-90-731 % similar 3-Iodo-L-tyrosine70-78-031 % similar 3-Chloro-L-tyrosine7423-93-031 % similar 3-Fluoro-L-tyrosine7423-96-331 % similar Forsythoside H1178974-85-031 % similar Methyl caffeate3843-74-130 % similar Taxifolin480-18-230 % similar Poliumoside94079-81-930 % similar Procyanidin B120315-25-730 % similar Procyanidin B323567-23-930 % similar Procyanidin B229106-49-830 % similar