7-amino-6-(2,5-dioxo-1-phenylpyrrolidin-3-yl)methyl-1,3-dioxo-2-phenyl-1,3-dihydropyrrolo<3,4-c>pyridine

1-phenyl-3-phenylsulfanylpyrrolidine-2,5-dione

二苯二硫醚

3-bromo-1-phenylpyrrole-2,5-dione

(3E)-3-(methoxymethylidene)-1-phenylpyrrolidine-2,5-dione