H2c c ch2 ch3. C2h4br+koh. c3h6cl2 koh водный. c6h5-ch(br)-ch2(br) + 2koh. ch3 ch2 ch3 koh водный.

H2c c ch2 ch3. C2h4br+koh. c3h6cl2 koh водный. c6h5-ch(br)-ch2(br) + 2koh. ch3 ch2 ch3 koh водный.
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