CHCH=CHCHO 2-丁烯醛 2-butenal 4 54 CH=CH-CH— CHCHO CH3CH=CH-C-CH3 CH3 CH 3-戊烯-2-酮 3-penten-2-one 2,3一二甲基-4一戊烯醛 2, 3-dimethyl-4-pentenal
CH3 CH=CHCHO 2-丁烯醛 2-butenal CH3 CH CH C O CH3 3-戊烯-2-酮 3-penten-2-one 5 4 3 2 1 CH2 CH CH CH3 CH CH3 CHO 5 4 3 2 1 2，3－二甲基－4－戊烯醛 2，3-dimethyl－4－pentenal
CH,CHO CH3 苯乙醛 二苯酮 苯乙酮 2-phenylethanal diphenyl ketone acetophenone
CH2 CHO O CH3 O 苯乙醛 2-phenylethanal 二苯酮 diphenyl ketone 苯乙酮 acetophenone
H一C-CH2CH2CH2-C-H CH-C-CH-C--CH 戊二醛 24-戊二酮(乙酰丙酮 pentanedial 2. 4-pentanedione CH3 O O 3-甲基环己酮 1,4-环己二酮 3-methylcyclohexanone 1, 4-cyclohexanedione
H C O CH2 CH2 CH2 C O H CH3 C O CH2 C O CH3 戊二醛 2,4-戊二酮(乙酰丙酮) pentanedial 2,4-pentanedione CH3 O O O 3-甲基环己酮 1,4-环己二酮 3-methylcyclohexanone 1,4-cyclohexanedione
CHO CHO CH=CHCHO 茴香醛 肉桂醛 anisaldehyde cinnamaldehyde CH CHO 麝香酮 11-顺视黄醛 musone 11-ciS-retinal
CH3O CHO 茴香醛 anisaldehyde CH=CHCHO 肉桂醛 cinnamaldehyde CH3 O 麝香酮 muscone CHO 11-顺视黄醛 11-cis-retinal
HCCH,CHCHCH CH3 CCH2 CCH3 戊二醛 2,4戊二酮(乙酰丙酮) CH3CH=CHCHO CH2 CHCH-CHCHO CH 2-丁烯醛(巴豆醛) 4-甲基-2-戊烯醛 CH3 CCHFCHCCH3 3-己烯-2,5-二酮
HCCH2 CH2 CH2 CH O O CH3 CCH2 CCH3 O O 2,4-戊二酮 (乙酰丙酮) CH3 CH CHCHO 4-甲基-2-戊烯醛 3-己烯-2,5-二酮 戊二醛 2-丁烯醛(巴豆醛) CH3 CHCH CHCHO CH3 CH3 CCH CHCCH3 O O