C10
C12
C21
C26
C24
C23
C14
C19
C18
C17
C16(R)
C7
C5(S)
C4
C3
C30
C31
C2
O
O
C
O
H
O46
C45(S)
C47
O
O51
C50
C52
C53
C54
C55
C49
N
N48
N
H
N6
C9(S)
N
N13
C11(R)
O
O36
C37
C38
C44
C43
C41
CL
C40
C39
O
O15
C22
C20
N
H
N25
O
O27
O
O28
C29
C35
C34
C33
C32
N
H
2
N