1-(1,5-二甲基-1H-吡唑-4-基)乙酮

3-亚苄基-2,4-戊二酮

1-[1-(5-chloropyridin-2-yl)-5-methylpyrazol-4-yl]ethanone

3-(dimethylaminomethylidene)pentane-2,4-dione

(2Z)-3-偶氮基-4-氧代-2-戊烯-2-醇