Ch3 c ch3 ch3 ch3 номенклатура. Ch3-c=ch-c=ch2. ch3-ch2-c= ch органическое соединение. ch3-ch=c(ch3)-ch3. ch3-c-ch3=ch-ch2-ch3.

Ch3 c ch3 ch3 ch3 номенклатура. Ch3-c=ch-c=ch2. ch3-ch2-c= ch органическое соединение. ch3-ch=c(ch3)-ch3. ch3-c-ch3=ch-ch2-ch3.
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