viết đồng phân của este C5H10O2 và gọi tên

$HCOOCH_2-CH_2-CH_2-CH_3: butyl fomat$

$HCOOCH_2-CH(CH_3)-CH_2: 2-metyl propyl fomat$

$HCOOCH(CH_3)-CH_2-CH_2: 3-metyl propyl fomat$

$HCOOC(CH_3)_2-CH_3: 2,2-dimetyl etyl fomat$

$CH_3COOCH_2-CH_2-CH_3: propyl axetat$

$CH_3COOCH(CH_3)-CH_3: 2-metyl etyl axetat$

$C_2H_5COOC_2H_5: etyl propionat$

$CH_3-CH_2-CH_2COOCH_3: metyl butyrat$

$CH_3-CH(CH_3)-COOCH_3: metyl 2-metyl pripionat$