Photos 2 H C

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2 h c. H2c c Ch ch2 ch3. HC=C-Ch(c2h5)-ch3. H2c=Ch-ch2-ch3+h2. H2c Ch c ch3 ch3 ch3.
H2c c Ch ch2 ch3. HC=C-Ch(c2h5)-ch3. H2c=Ch-ch2-ch3+h2. H2c Ch c ch3 ch3 ch3.

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