dodecane-2,4,9,11-tetrone

(E)-4-(2,5-dimethoxyanilino)pent-3-en-2-one

2,2-二乙酰基茚烷

2-(4-oxopentan-2-ylideneamino)benzenesulfonic acid

4,6-二甲基-2-(5-硝基-2-呋喃基)嘧啶