Photos CH3 C CH

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Ch3 c ch. Ch3 c nh2 ch3. H3c – ch2 – nh2. Ch3 c ch3 ch3 nh2. Ch2=c=Ch-nh2.
Ch3 c nh2 ch3. H3c – ch2 – nh2. Ch3 c ch3 ch3 nh2. Ch2=c=Ch-nh2.