N-羟基-2-氧代-丙亚氨酰氯

4-hydroxy-4-methyl-1,1,1-triphenylpentan-2-one

2-propan-2-ylidene-4H-1,4-benzothiazin-3-one

4-(4-tert-butylphenyl)but-3-en-2-one

4-(4-methylsulfanylphenyl)but-3-en-2-one