| 1 | Amidine |
[*]-[N]-[C](=[N])-[CX4] |
 |
2 |
1 |
1
|
1
|
2 |
| 2 | Arsenic Acid |
[#6][As](=[O])([O])[O] |
 |
1 |
2 |
1
|
1
|
2 |
| 3 | Arsine Oxide |
[#6][As]=[O] |
 |
1 |
2 |
1
|
1
|
3 |
| 4 | Carbamide |
[#6][N,n][CX3](=O)[N,n][#6] |
 |
3 |
3 |
2
|
2
|
3 |
| 5 | Carbodiimide |
[#6][N]=[C]=[N][#6] |
 |
1 |
5 |
1
|
1
|
5 |
| 6 | Carbonate |
[#6][O][C](=O)[O][#6] |
 |
2 |
2 |
1
|
1
|
7 |
| 7 | Carboxylic Acid |
[#6]-[CX3](=O)-[OX2H1,OX1-] |
 |
21 |
19 |
3
|
4
|
25 |
| 8 | Enamine |
[#6][C]=[C][#7] |
 |
1 |
1 |
1
|
1
|
1 |
| 9 | Ester |
[#6][CX3](=[O])-[O]-[#6] |
 |
12 |
13 |
2
|
3
|
16 |
| 10 | Hydrazide |
[*][CX3](=[O])[#7]~[#7] |
 |
9 |
5 |
3
|
2
|
9 |
| 11 | Isothiocyanate |
[#6][N]=[C]=[S] |
 |
6 |
2 |
1
|
2
|
6 |
| 12 | Nitroarene |
[c][N+](=[O])[O-] |
 |
6 |
2 |
1
|
1
|
7 |
| 13 | Selenic Acid |
[#6]-[Se](=O)-[OX2H1,OX1-] |
 |
1 |
1 |
1
|
1
|
1 |