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1. OH OTS CHẶN, 1. CN, DMF 2. H₂SO4, H₂O, heat excessively 2. 4. CH3CH₂OH Br H₂ CrO 4 1. CN, DMSO 2. H₂O, heat, long tim
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1. OH OTS CHẶN, 1. CN, DMF 2. H₂SO4, H₂O, heat excessively 2. 4. CH3CH₂OH Br H₂ CrO 4 1. CN, DMSO 2. H₂O, heat, long tim
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Thu Jun 09, 2022 6:43 am
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1. OH OTS CHẶN, 1. CN, DMF 2. H₂SO4, H₂O, heat excessively 2. 4. CH3CH₂OH Br H₂ CrO 4 1. CN, DMSO 2. H₂O, heat, long time 3. CHỌN,