(3S,6S,8S,8aS)-3-(3,4-dimethoxybenzyl)-7,7,8a-trimethyl-3,5,6,7,8,8a-hexahydro-2H-6,8-methanobenzo[b][1,4]oxazin-2-one

(R,s)-n-乙酰基-3,4-二甲氧基苯丙氨酸

3,4-二甲氧基苯甲醛

(1S,2S,9S)-5-[1-(3,4-Dimethoxy-phenyl)-meth-(Z)-ylidene]-2,10,10-trimethyl-3-oxa-6-aza-tricyclo[7.1.1.02,7]undec-6-en-4-one

N-Ac-L-DOPA