(4-甲基戊-3-烯-2-亚基氨基)脲

4-Oxo-2-methyl-penten-(2)-p-toluolsulfonyl-hydrazon

(3E)-3-hydroxyimino-4-methylpentan-2-one

3,4-二氢-3,3,6,8-四甲基萘-1(2H)-酮

1,1,1-trifluoro-6-methylhept-5-ene-2,4-dione