Photos C2H2 C6H6

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C2h2 c6h6. C ch4 ch3cl c2h6. C ch4 ch3cl c2h6 c2h4 c2h5oh. C ch4 ch3cl c2h6 co2. Ch4>ch3cl>c2h6>c2h4>полиэтилен.
C ch4 ch3cl c2h6. C ch4 ch3cl c2h6 c2h4 c2h5oh. C ch4 ch3cl c2h6 co2. Ch4>ch3cl>c2h6>c2h4>полиэтилен.

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