O
O1
C1
C2
N
H
N1
C3(S)
C4
C5
C6
C7
C8
N
H
N2
C9(S)
C10
C11
C12
C13
C14
O
O2
N
H
N3
C15(S)
C16
C17
C18
C19
C20
O
O3
C21
S
S1
O
O4
O
O5
C22
C23
C24
C25
C26
C27
N
H
N4
C28
O
O6
C29
C30
C61
C62
C31
N
H
N5
C32
C33
O
O7
C34
C35
C36
C37
N
H
N6
C38
C39
O
O8
C40
C42
C43
C44
C47
C48
C51
C49
C50
C52