D,L-3-吲哚基甘氨酸甲酯

3-吲哚乙醛酸

3-indol-1-yl-4-(1H-indol-3-yl)pyrrole-2,5-dione

2-(1-methylindol-3-yl)ethanol

3-(1H-indol-3-yl)-4-(3,4,5-trimethoxyphenyl)pyrrole-2,5-dione