1-(1-phenylethyl)-3-piperidin-1-ylpyrrolidine-2,5-dione

2-(1-phenylethylcarbamoyl)benzoic acid

1-(4-吗啉)-2-苯基乙烷硫酮

3-(1-苯乙氨基)丙酸

1,2,4,6-tetramethylindole