compound
c
5
8
1
4
7
c
o
2
5
8
1
4
o
m
9
2
5
8
1
m
p
6
9
2
5
8
p
o
3
6
9
2
5
o
u
0
3
6
9
2
u
n
7
0
3
6
9
n
d
4
7
0
3
6
d
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