Photos 3Н2 N2 2NH3

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3н2 n2 2nh3. Ch2 Ch ch2 ch3 h2o. Ch3cho h2. Ch3 – ch2 –ch2–ch2 –ch2- nh2. Ch2 c o Oh nh2.
Ch2 Ch ch2 ch3 h2o. Ch3cho h2. Ch3 – ch2 –ch2–ch2 –ch2- nh2. Ch2 c o Oh nh2.

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