Images C2H6 C2H5BR C2H4

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C2h6 c2h5br c2h4. Цепочка превращений ch3-ch2-ch2-ohch2 + br2. Ch4 ch3cl c2h6 c2h5cl. C6h5-Ch=ch2. C2h4 ch2-ch2.
Цепочка превращений ch3-ch2-ch2-ohch2 + br2. Ch4 ch3cl c2h6 c2h5cl. C6h5-Ch=ch2. C2h4 ch2-ch2.

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