上游原料
ethyl 1,3-dioxo-1,3-dihydro-2H-isoindole-2-carboxylate; N-Carbethoxyphthalimide3,4-Dimethoxybenzaldehyde; Veratraldehydeglycine3-hydroxy-3,4-dimethoxyphenylalanine3-(3,4-dimethoxyphenyl)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-3-hydroxypropionic acid3-(3,4-dihydroxyphenyl)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-3-hydroxypropionic acid
