C1
O
O1
C2
N
N1
C3(R)
C4
C5
C6
C7
O
O2
N
H
N2
C8(R)
C9
O
O3
C10
C11
N
H
+
N3
C12
C13
N
H
N4
N
H
N5
C14(R)
C15
O
O4
C16
C17
C18
O
O5
O
H
O6
N
H
N6
C19(R)
C20
O
O7
C21
C22
S
S1
C23
N
H
N7
C24(S)
C25
O
O8
C26
S
H
S2
N
H
N8
C27(R)
C28
O
O9
C29
C30
C31
C32
C33
C34
C35
O
H
O10
N
H
N9
C36(R)
C37
C38
C39
N
H
N10
C40
C41
C42
C43
C44
C45
C46
O
O11
N
H
N11
C47(R)
C48
C49
O
O12
N
H
N12
C50(R)
C51
O
O13
C52
C53
O
O14
O
H
O15
N
H
N13
C54(R)
C55
C56
O
O16
N
H
N14
C57(R)
C58
O
O17
C59
C60
C61
C62
C63
C64
C65
O
H
O18
N
H
N15
C66(S)
C67
O
O19
C68
S
H
S3
N
H
N16
C69(R)
C70
C71
C72
N
H
N17
C73
N
H
2
N18
N
H
2
+
N19
C74
O
O20
N
H
N20
C75(R)
C76
O
O21
C77
C78
C79
C80
C81
C82
C83
O
H
O22
N
H
N21
C84(R)
C85
O
O23
C86
O
H
O24
N
H
2
N22