Для вещества имеющего строение ch3 c ch3. Ch3 ch3 - ch - ch - ch = ch - ch3 ch2 - ch3. ch2=c−ch3ch3, ch2=ch−ch2−ch3.. ch3-ch-ch-ch2-ch2-ch2-ch2-ch-ch3. (ch3)3c-c(ch3)=ch-ch3.

Для вещества имеющего строение ch3 c ch3. Ch3 ch3 - ch - ch - ch = ch - ch3 ch2 - ch3. ch2=c−ch3ch3, ch2=ch−ch2−ch3.. ch3-ch-ch-ch2-ch2-ch2-ch2-ch-ch3. (ch3)3c-c(ch3)=ch-ch3.
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