CH3 CH3 CH3-C-CH2 CHO CH3-C-CH2CCH2CH3 CH3 CH3 3,3-二甲基丁醛 5,5-二甲基-2-己酮 3,3-Dimethylbutanal 5,5-Dimethyl-3-hexanone 0 CH3 CH:CCH2CH2- 3-甲基环戊酮 4-苯基-2-丁酮 3-Methylcyclopentanone 4-Phenyl-2-butanone 0 2,4-Pentanedione CH3-C-CH2-C-CH3 2,4-戊二酮
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