4-ethyl-4-(nitromethyl)hexan-2-one

3,4-dimethyl-1-phenylheptane-1,5-dione

1-hydroxy-2-methyl-1-(4-nitrophenyl)pentan-3-one

2-(4-nitrophenyl)pentan-3-one

6-乙基-5-甲基烟腈