(E)
P
P
O
O11
O
O12
O
-
O13
O
O14
C1
C2(R)
C3
O
O31
O
O32
C31
C32
C33
C34
C35
C36
C37
C38
C39
C40
C41
C42
O
O21
O
O22
C21
C22
C23
C24
C25
C26
C27
C28
C29
C47
C48
C49
C50
C51
C1'(S)
C2'
C3'(R)
C4'(R)
C5'
C6'(R)
O
H
O1'
O
H
O2'
O
H
O3'
O
H
O4'
O
H
O6'
C52
C53
C54
C55
C43
C44
C45
C46