R,S-2,2'-dinitrobiphenyl-6,6'-dicarbonsaeure-di-N,N'-1-(3,4-dihydroxyphenyl)-1-oxo-2-methylamido-ethan

3,4-二甲氧基苯甲醛

benzyl (S)-3-(3,4-dimethoxyphenyl)-3-hydroxypropanoate

肾上腺酮