C1
O
O1
C2
N
H
N1
C3(S)
C4
O
O2
C5
C6
C7
N
H
N2
C8
N
H
2
N3
N
H
2
+
N4
N
H
N5
C9(S)
C10
O
O3
C11
C12
C13
C14
C15
C16
C17
O
O4
C18
C19(R)
N
H
N6
C20
C21
C22
S
S1
N
H
N7
C23(S)
C24
O
O5
C25(R)
O
H
O6
C26
N
H
N8
C27
C28
O
O7
N
H
N9
C29(S)
C30
O
O8
C31
C32
N
H
+
N10
C33
C34
N
H
N11
N
H
N12
C35(S)
C36
O
O9
C37
C38
C39
C40
C41
C42
C43
N
H
N13
C44
C45
O
O10
N
N14
C46
C47
O
O11
C48
N
N15
C49
C50(S)
C51
C52
C53
C54
C55
O
O12
N
H
N16
C56(S)
C57
O
O13
C58
C59
C60
C61
C62
C63
C64
O
H
O14
N
N17
C65(S)
C66
O
O15
C67
C68
C69
N
H
N18
C70(R)
C71
O
O16
C72
S
S2
N
H
N19
C73(S)
C74
O
O17
C75
C76
C77
C78
N
H
3
+
N20
N
H
2
N21
H
H91