| 26 | Aryloxymethyl Carbonyl |
[*][CX3](=[O])[#6]-[O][#6] |
 |
2 |
2 |
1 |
1 |
2 |
| 27 | Aryl Sulfone |
[#6][S](=[O])(=[O])[#6] |
 |
4 |
3 |
1 |
2 |
4 |
| 28 | Azide |
[#6][N]=[N+]=[N-] |
 |
1 |
1 |
1 |
1 |
1 |
| 29 | Aziridine |
[C;r3][N;r3][C;r3] |
 |
15 |
14 |
1 |
3 |
18 |
| 30 | Beta-Lactam |
[O-0X1]=[C]1[C][C][N]1 |
 |
102 |
79 |
4 |
3 |
284 |
| 31 | Beta-Lactone |
[O-0X1]=[C]1[C][C][O]1 |
 |
5 |
8 |
1 |
4 |
11 |
| 32 | Beta-Sulfanylvinyl Carbonyl |
[#6][S][C]=[C]-[CX3](=[O])[*] |
 |
1 |
1 |
1 |
1 |
1 |
| 33 | Beta-Sulfonylvinyl Carbonyl |
[#6][S](=O)(=O)[C]=[C]-[CX3](=[O])[*] |
 |
1 |
1 |
1 |
1 |
1 |
| 34 | Beta-Sulfonylvinyl Nitrile |
[#6][S](=O)(=O)[C]=[C]-[C]#[N] |
 |
1 |
1 |
1 |
1 |
1 |
| 35 | Beta-Sultam |
[O]=[S]1(=[O])[C][C][N]1 |
 |
5 |
5 |
1 |
1 |
7 |
| 36 | Borate |
[*][O][B]([O])[O][*] |
 |
2 |
2 |
1 |
2 |
2 |
| 37 | Boronic Acid |
[#6]-[B]([O])[O] |
 |
131 |
55 |
2 |
6 |
202 |
| 38 | Butadienyl Carbonyl |
[C]=[C][C]=[C]-[CX3](=[O])[*] |
 |
6 |
2 |
1 |
2 |
7 |
| 39 | Carbamate |
[#6]-[N]-[CX3](=O)-[O]-[#6] |
 |
8 |
6 |
1 |
2 |
9 |
| 40 | Carbamide |
[#6][N,n][CX3](=O)[N,n][#6] |
 |
3 |
3 |
2 |
2 |
3 |
| 41 | Carbodiimide |
[#6][N]=[C]=[N][#6] |
 |
1 |
5 |
1 |
1 |
5 |
| 42 | Carbonate |
[#6][O][C](=O)[O][#6] |
 |
2 |
2 |
1 |
1 |
7 |
| 43 | Carboxylic Acid |
[#6]-[CX3](=O)-[OX2H1,OX1-] |
 |
21 |
19 |
3 |
4 |
25 |
| 44 | Catechol |
[O][c]1[c][c][c][c][c]1[O] |
 |
2 |
2 |
1 |
1 |
2 |
| 45 | Cyanamide |
[#6][NX3][C]#[N] |
 |
6 |
5 |
1 |
2 |
6 |
| 46 | Diazo Compound |
[#6][N]=[N][#6] |
 |
1 |
1 |
1 |
1 |
1 |
| 47 | Diazomethyl Carbonyl |
[*][CX3](=[O])[C]=[N+]=[N-] |
 |
6 |
15 |
4 |
4 |
18 |
| 48 | Disulfanyl-Ester |
[#6][SX2][SX2]-[CX3](=O)-[O][#6] |
 |
2 |
1 |
2 |
1 |
3 |
| 49 | Disulfide |
[#6][S][S][#6] |
 |
26 |
15 |
1 |
1 |
30 |
| 50 | Enamine |
[#6][C]=[C][#7] |
 |
1 |
1 |
1 |
1 |
1 |