N
H
2
N1
C1(S)
C2
C3
C4
N
H
N2
C5
C6
N
H
N3
C7
O
O1
N
H
N4
C8(S)
C9
O
O2
C10
C11
C12
N
H
N5
C13(S)
C14
C15
C16
C17
C18
C19
C20
C21
N
H
N6
C22(S)
C23
O
O3
C24
C25
C26
C27
C28
C29
C30
N
H
N7
C31(S)
C32
O
O4
C33
C34
C35
O
O5
O
H
O6
N
H
N8
C36(S)
C37
O
O7
C38
N
H
N9
C39(S)
C40
O
O8
O
H
O9
C41
C42
C43
C44