methyl 2-[2-methyl-1-(3-oxobut-1-enyl)indol-3-yl]acetate

4,4-二甲氧基-2-丁酮

2-(2-methyl-1H-indol-3-yl)acetamide

2-(2-methyl-1H-indol-3-yl)acetonitrile

2-甲基吲哚-3-乙酸