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thanhtung2510


1/$C_6H_5OH, C_2H_5OH, CH_3COOH, HCOOH, C_6H_5COOH, C_2H_3COOH$
2/$CH_3CH_2CH(Cl)COOH, CH_3CH(Cl)CH_2COOH, CH_2(Cl)CH_2CH_2COOH, CH_3CH_2CH(Br)COOH, CH_3CH_2CH(F)COOH$
2/$CH_3CH_2CH(Cl)COOH, CH_3CH(Cl)CH_2COOH, CH_2(Cl)CH_2CH_2COOH, CH_3CH_2CH(Br)COOH, CH_3CH_2CH(F)COOH$
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