questions
CH2
C
H
O
CH3
1
CH2
CH
CH3
CH
CH3
OH
CH3
2
3
NH2
4
Cl
5
6
7
8
OH
H
O
O
O
OH
H
C
H
H
H
CH3
C
CH3
CH3
CH2
CH3
CH3
CH2
CH2
CH2
CH3
CH
CH
CH2
CH
CH3
CH3
CH
CH
CH3
CH2
CH2
CH
CH
CH3
CH3
CH3
CH3
CH
CH
CH
CH3
CH3
CH3
CH2
CH2
CH
CH2
CH
CH2
CH3
CH3
CH3
CH2
H
C
H
H
H
C
H
H
C
H
H
CH3
CH
CH3
CH3
C
C
H
H
CH3
CH2
CH2
CH3
1
2
3
4
5
6
7
8
9
10