(E)
(E)
Fe
FE
CHA
CHB
CHC
CHD
N
NA
C1A
C2A
C3A
C4A
CMA
O
OMA
CAA
CBA
CGA
O
O1A
O
H
O2A
N
NB
C1B
C2B
C3B
C4B
CMB
N
NC
C1C
C2C
C3C
C4C
CMC
CAC
CBC
N
ND
C1D
C2D
C3D
C4D
CMD
CAD
CBD
CGD
O
O1D
O
H
O2D
C11(S)
O
H
O11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27