| 1 | Acetal |
[#6][OX2][CX4][OX2][#6] |
 |
1 |
1 |
1
|
1
|
1 |
| 2 | Acyloxymethyl Carbonyl |
[*][CX3](=[O])[C][O][CX3](=[O])[*] |
 |
10 |
9 |
1
|
1
|
14 |
| 3 | Alcohol |
[CX4,c]-[OX2H1,OX1-] |
 |
1 |
1 |
1
|
1
|
1 |
| 4 | Alkyl Halide |
[CX4]-[F,Br,Cl,I] |
 |
31 |
29 |
3
|
7
|
44 |
| 5 | Allyl Vinyl Ether |
[c][c][O][#6][C]=[C] |
 |
2 |
2 |
2
|
2
|
2 |
| 6 | Aminium Ion |
[#6][NX4+,nX3+] |
 |
8 |
7 |
2
|
3
|
14 |
| 7 | Aryloxymethyl Carbonyl |
[*][CX3](=[O])[#6]-[O][#6] |
 |
2 |
2 |
1
|
1
|
2 |
| 8 | Beta-Lactam |
[O-0X1]=[C]1[C][C][N]1 |
 |
102 |
79 |
4
|
3
|
284 |
| 9 | Diazo Compound |
[#6][N]=[N][#6] |
 |
1 |
1 |
1
|
1
|
1 |
| 10 | Diazomethyl Carbonyl |
[*][CX3](=[O])[C]=[N+]=[N-] |
 |
6 |
15 |
4
|
4
|
18 |
| 11 | Halomethyl Amidine |
[*]-[N]-[C](=[N])-[CX4]-[F,Cl,Br,I] |
 |
4 |
3 |
1
|
1
|
4 |
| 12 | Halomethyl Carbonyl |
[*][CX3](=[O])[CX4]-[F,Cl,Br,I] |
 |
112 |
57 |
5
|
7
|
145 |
| 13 | Hemiacetal |
[OX2H][CX4][OX2][#6] |
 |
30 |
57 |
3
|
8
|
79 |
| 14 | Hydrazide |
[*][CX3](=[O])[#7]~[#7] |
 |
9 |
5 |
3
|
2
|
9 |
| 15 | Imidoyl Halide |
[F,Cl,Br,I][#6]=[N] |
 |
2 |
5 |
1
|
2
|
5 |
| 16 | Mannich Base |
[OH1][c][c][#6][N,n][#6] |
 |
3 |
2 |
1
|
2
|
3 |
| 17 | Nitrile |
[C,c]-[C,c]#[N,n] |
 |
85 |
20 |
3
|
3
|
93 |
| 18 | O-Acyl Hydroxamic Acid |
[*][C](=[O])[N,n][O][C](=[O])[*] |
 |
4 |
4 |
2
|
2
|
5 |