1,2,3,4-四氢-4-[2-[[2-(3,4-二羟基苯基)乙基]亚氨基]亚乙基]吡啶-2,6-二甲酸

2-(3,4-二羟基苯基)乙醛

4-(2-氨基乙基)-1-羟基-2-磺基氧基-苯

[4-(2-氨基乙基)-2-羟基苯基]氢硫酸盐

2-[6-[2-(3,4-dihydroxyphenyl)ethylamino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol