CBT
CBW
CAV
CAR
CAQ
CAU
CBV
CAW
CAT
CBU
CBR
O
OAF
S
SBO
CBA
CAY
N
H
NBH
CBP
O
OAD
CBB
CAZ
N
H
NBI
CBQ
O
OAE
CBZ(R)
O
H
OAK
CCF
CAA
CAB
CBD
O
OBK
P
PCI
O
OAP
O
H
OAI
O
OBN
P
PCH
O
OAO
O
H
OAH
O
O5'
C5'
C4'(R)
O
O4'
C3'(S)
O
O3'
P
PCG
O
H
OAM
O
OAN
O
H
OAG
C2'(R)
O
H
O2'
C1'(R)
N
N9
C8
N
N7
C5
C4
N
N3
C2
N
N1
C6
N
H
2
N6