(E)
CHA
CHB
CHC
CHD
N
NA
C1A
C2A(S)
C3A(S)
C4A
CMA
CAA
CBA
CGA
O
O1A
O
O2A
N
H
NB
C1B
C2B
C3B
C4B
CMB
CAB
CBB
N
NC
C1C
C2C
C3C
C4C
CMC
CAC
CBC
N
H
ND
C1D
C2D
C3D
C4D
CMD
CAD
O
OBD
CBD(R)
CGD
O
O1D
O
O2D
CED
C1
C2
C3
C4
C5
C6
C7
C8(R)
C9
C10
C11
C12
C13(R)
C14
C15
C16
C17
C18
C19
C20