1-[(2,5-dioxopyrrolidin-1-yl)methoxymethyl]pyrrolidine-2,5-dione

2-乙酰基-1,3-环己二酮

2-(1H-indol-3-ylmethylidene)cyclohexane-1,3-dione

1,2,3,10-tetrahydrophenothiazin-4-one

3-ethenylcyclohex-2-en-1-one