Images CH C

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Ch c. Ch3 ch2 Ch ch3 c o Oh. Ch2=c=o. Nh2 ch2 c o Oh. Ch2-c-Ch-ch2-Oh.
Ch3 ch2 Ch ch3 c o Oh. Ch2=c=o. Nh2 ch2 c o Oh. Ch2-c-Ch-ch2-Oh.

See also