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C
OH
O
CH2
CH2
CH
CH3
CH3
CH
CH3
CH
CH3
OH
CH2
CH3
Br
CH2
CH2
CH3
CH3
CH2
CH2
CH2
CH2
CH2
H
O
O
C
CH3
C
H
H
CH2
CH
CH3
CH3
1
2
3
4
5
6
7
CH3
C
OH
O
CH2
CH2
CH
CH3
CH2
CH2OH
CH
CH3
CH2
CH3
Br
CH2
CH3
CH3
CH2
CH2
CH2
CH2
H
O
O
C
CH3
C
H
H
CH2
CH
CH3
CH3
1
2
3
4
5
6
7