四种,因为丁基有四种,具体如下.
CH3-CH2-CH2-CH2-OH 1-丁醇
CH3-CH2-CH-CH3 2-丁醇
|
OH
CH3
|
CH3-CH-CH2-OH 2-甲基-1-丙醇
CH3
|
CH3-C-CH3 2-甲基-2-丙醇
|
OH
四种,因为丁基有四种,具体如下.
CH3-CH2-CH2-CH2-OH 1-丁醇
CH3-CH2-CH-CH3 2-丁醇
|
OH
CH3
|
CH3-CH-CH2-OH 2-甲基-1-丙醇
CH3
|
CH3-C-CH3 2-甲基-2-丙醇
|
OH