N
N1A
O
O1A
P
P1A
C1B
C1D(R)
S
S1P
C2A
O
H
O2A
P
P2A
C2B
C2D(R)
O
H
O2D
C2P
N
N3A
O
O3A
C3B
C3D(S)
O
O3D
P
P3D
C3P
C4A
O
H
O4A
C4B
C4D(R)
O
O4D
N
H
N4P
O
O57
C5A
O
O5A
C5B
C5D
O
O5D
C5P
O
O5P
C6A
N
H
2
N6A
O
O6A
C6B
C6P
N
N7A
O
H
O7A
C7B
C7P
C8A
O
O8A
C8B
N
H
N8P
N
N9A
O
H
O9A
C9P
O
O9P
CAP(R)
O
H
OAP
CBP
CCP
CDP
CEP