2-(3-oxo-4H-1,4-benzothiazin-2-yl)-N-phenylacetamide

3-ethyl-6-phenylpyrrolo[3,4-b]pyridine-5,7-dione

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

2-甲基-N-苯基马来酰亚胺

3-methylidene-1-phenylpyrrolidine-2,5-dione