H2c c ch2 ch3. Д) h2c-ch=ch-cch-ch3: ch3 e) h3cch-cch-ch-ch3 chs. ch2=ch-c=c-ch2-ch3. ch3-c-ch2-c-ch2-ch2-ch3. c2h2 hc c ch ch2.

H2c c ch2 ch3. Д) h2c-ch=ch-cch-ch3: ch3 e) h3cch-cch-ch-ch3 chs. ch2=ch-c=c-ch2-ch3. ch3-c-ch2-c-ch2-ch2-ch3. c2h2 hc c ch ch2.
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