CH3CH=CHCH3(80%)+CH3CH2CH=CH2(20%)\mathrm{CH}_{3} \mathrm{CH}=\mathrm{CHCH}_{3}(80 \%)+\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{CH}_{2}(20 \%)CH3CH=CHCH3(80%)+CH3CH2CH=CH2(20%)
CH3CH=CHCH3(20%)+CH3CH2CH=CH2(80%)\mathrm{CH}_{3} \mathrm{CH}=\mathrm{CHCH}_{3}(20 \%)+\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{CH}_{2}(80 \%)CH3CH=CHCH3(20%)+CH3CH2CH=CH2(80%)
CH3CH=CHCH2(50%)+CH3CH2CH=CH2(50%)\mathrm{CH}_{3} \mathrm{CH}=\mathrm{CHCH}_{2}(50 \%)+\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{CH}_{2}(50 \%)CH3CH=CHCH2(50%)+CH3CH2CH=CH2(50%)
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