(Z)
(Z)
(Z)
C5(S)
C4(R)
C2(R)
C6
N
-
N82
N
+
N81
N
N8'
C8'
C7'
C9'
C40
C41
C6'
C5'
O
O5'
N
H
N4'
C4'
C3'
C2'
N
H
N1'
C1'
O
O1'
O
O19
C19(S)
C20(S)
C32
C21
C22
C23
C24
C18(S)
C31
C17(R)
O
H
O17
C16(S)
C30
C15
C14
C29
C13
C12(S)
C28
C11(S)
O
H
O11
C10(S)
C27
C9
C8
C7(S)
O
H
O7
O
O5
C1
O
O1
C25
C3(S)
O
H
O3
C26