(Z)
(Z)
C1(R)
C2(S)
C3(S)
C4
C5
C6
C7(S)
C8(S)
C9
C10
C11
C12
C13(R)
C14(S)
C15(R)
C16
C17(R)
C18(R)
C19(R)
C20
N
N21
N
N22
N
H
N23
N
N24
C25
C26
C27
O
H
O28
O
O29
C30
C31
C32
O
H
O33
O
O34
C35
C36
C37
C38
O
O39
O
H
O40
C41
C42
C43
O
O44
O
H
O45
C46
C47
C48
C49
C50
O
O51
O
H
O52
C54
C55
C56
C57
O
H
O58
O
O59
C60
C61
O
H
O62
O
O63
C64
H
H14
H
H19