Ch3 ch ch2 c6h5 ch3 2. Ch3-ch-ch-ch-ch3. ch2 ch ch3 название. ch2 ch ch2 ch3.

Ch3 ch ch2 c6h5 ch3 2. Ch3-ch-ch-ch-ch3. ch2 ch ch3 название. ch2 ch ch2 ch3.
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