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Ch2clcooh nano2 ацетон. Cu20 h2so4. Ch3 NH ch3 nh2+h2so4. Уксусный ангидрид ch3oh.
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Ch2clcooh nano2 ацетон. Cu20 h2so4. Ch3 NH ch3 nh2+h2so4. Уксусный ангидрид ch3oh. 