c 1
c 2
c 3
c 4
c 5
c 6
c 7
c 8
c 9
( c1
( c2
c1 )
c2 )
n 1
n 2
n 3
n 4
n 5
n 6
n 7
n 8
n 9
( n1
( n2
n1 )
n2 )
O 1
O 2
O 3
O 4
O 5
O 6
O 7
O 8
O 9
( O1
( O2
O2 )
O2 )
= O
= C
= c
= N
= n
=C C
=C N
=C c
=c c
=N C
=N c
=n C
=n c
# N
# C
#N C
#C C
#C N
#N N
( C
C )
( O
O )
( N
N )
Br c
( =O
(=O )
C (=O)
C =O
C =N
C #N
C #C
C C
CC C
CC N
CC O
CC S
CC c
CC n
C N
CN C
CN c
C O
CO C
CO N
CO c
C S
CS C
CS S
CS c
C c
Cl c
C n
F c
N C
NC C
NC c
N N
N O
N c
N n
O C
OC C
OC O
OC c
O N
O O
O c
S C
SC C
SC c
S S
S c
c c
cc c
cc n
cc o
cc s
cc cc
c n
cn c
cn n
c o
co c
c s
cs c
cs n
n c
nc c
nc n
nc o
nc s
n n
nn c
nn n
n o
no c
no n
n s
ns c
ns n
o c
oc c
o n
s c
sc c
sc n
s n
N P
P N
C P
P C
N S
S N
C S
S C
S P
P S
C I