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h) COOH CH₂ NO₂ 1. NaOH H₂O 2 CO, HỘ 3. HCL H₂O K₂Cr₂O7 H₂SO OH B1₂ Febr HNO3 (CH₂)₂CHCI H₂SO4 AICI
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h) COOH CH₂ NO₂ 1. NaOH H₂O 2 CO, HỘ 3. HCL H₂O K₂Cr₂O7 H₂SO OH B1₂ Febr HNO3 (CH₂)₂CHCI H₂SO4 AICI
h) COOH CH₂ NO₂ 1. NaOH H₂O 2 CO, HỘ 3. HCL H₂O K₂Cr₂O7 H₂SO OH B1₂ Febr HNO3 (CH₂)₂CHCI H₂SO4 AICI