N
H
2
N1
C1(S)
C2
O
O1
C3
C4
C5
C6
N
H
N2
C7(S)
C8
O
O2
C9
O
H
O3
N
H
N3
C10(R)
C11
O
O4
C12
S
H
S1
N
H
N4
C13(S)
C14
O
O5
C15
C16
C17
O
O6
N
H
2
N5
N
H
N6
C18(S)
C19
O
O7
C20
C21
C22
C23
N
H
N7
C24(S)
C25
O
O8
C26
C27
C28
C29
C30
C31
C32
O
H
O9
N
H
N8
C33(S)
C34
O
O10
C35
C36
C37
O
O11
N
H
2
N9
N
H
N10
C38(S)
C39
O
O12
C40
C41
C42
N
H
N11
C43
N
H
2
N12
N
H
2
+
N13
O
H
O13