Images HC C H

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Hc c h. H3c c ch2 nanh2. Алкин и nanh2. C2h4+h2 в полиэтилен. Ch3 ch2 br -> c2h2.
H3c c ch2 nanh2. Алкин и nanh2. C2h4+h2 в полиэтилен. Ch3 ch2 br -> c2h2.

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