Hc c ch ch3 ch3 название. Hc c ch3. hc c c ch3 ch3 ch3. hc≡c-ch2-ch2-ch3.

Hc c ch ch3 ch3 название. Hc c ch3. hc c c ch3 ch3 ch3. hc≡c-ch2-ch2-ch3.
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