Name the following structure.


A chemical structure has 4 groups in a horizontal row; from left to right they are Upper C Upper H 3, Upper C Upper H 2, Upper C, and Upper C Upper H 3. Single bonded above the Upper C Upper H group is an Upper O Upper H, and single bonded below that is Upper C Upper H 2. Single bonded below that is a Upper C Upper H 3 group.

Select the correct answer below:


2
-ethyl-
2
-butanol

3
-methyl-
3
-pentanol

3
-ethyl-
3
-butanol

2
-ethyl-
3
-pentanol