| 1 | 1,3‐Oxazin‐6‐one |
O=[#6]1:[#8]:[#6]:[#7]:[#6]:[#6]1 |
 |
2 |
2 |
1 |
2 |
2 |
| 2 | 1-Hydroxy-2,6-Dioxa-3-Oxophosphorinone |
[O][P]1(=[O])[O][#6](=[O])[#6]=[#6][O]1 |
 |
2 |
1 |
1 |
1 |
2 |
| 3 | 2‐Methylisoxazolium |
[#6]-[#7+]1:[#6]:[#6]:[#6]:[#8]:1 |
 |
1 |
1 |
1 |
1 |
1 |
| 4 | 3H‐1,3‐Oxazine‐2,6‐Dione |
O=[#6]1:[#7]:[#6]:[#6]:[#6](=O):[#8]1 |
 |
1 |
1 |
1 |
1 |
1 |
| 5 | 4-Halo-Alpha-Pyrone |
[#8]=[#6]1:[#8]:[#6]:[#6]([F,Cl,Br,I]):[#6][#6]:1 |
 |
5 |
3 |
1 |
2 |
5 |
| 6 | Acetal |
[#6][OX2][CX4][OX2][#6] |
 |
1 |
1 |
1 |
1 |
1 |
| 7 | Acyloxymethyl Carbonyl |
[*][CX3](=[O])[C][O][CX3](=[O])[*] |
 |
10 |
9 |
1 |
1 |
14 |
| 8 | Acyl Phosphonate |
[#6][CX3](=O)[P]([O])([O])=O |
 |
1 |
1 |
1 |
1 |
1 |
| 9 | Alcohol |
[CX4,c]-[OX2H1,OX1-] |
 |
1 |
1 |
1 |
1 |
1 |
| 10 | Aldehyde |
[#6][CX3H1](=[O]) |
 |
99 |
59 |
5 |
7 |
134 |
| 11 | Alkyl Halide |
[CX4]-[F,Br,Cl,I] |
 |
31 |
29 |
3 |
7 |
44 |
| 12 | Alkyne |
[#6][C]#[C][#6] |
 |
4 |
5 |
2 |
3 |
5 |
| 13 | Allyl Vinyl Ether |
[c][c][O][#6][C]=[C] |
 |
2 |
2 |
2 |
2 |
2 |
| 14 | Alpha-Cyanovinyl Carbonyl |
[C]=[C]([C]#[N])-[C](=[O])[*] |
 |
12 |
8 |
1 |
2 |
12 |
| 15 | Alpha-Cyclosulfate |
O=S1(=O)[#8]-[#6]-[#6]-[#8]1 |
 |
2 |
2 |
1 |
2 |
2 |
| 16 | Alpha-Hydroxy Sulfonic Acid |
[#6]([OH1])[S](=[O])(=[O])[O] |
 |
12 |
8 |
1 |
1 |
27 |
| 17 | Alpha-Pyrone |
[#8]=[#6]1:[#8]:[#6]:[#6]:[#6][#6]:1 |
 |
1 |
1 |
1 |
1 |
1 |
| 18 | Amide |
[#6][CX3](=O)[N][#6] |
 |
2 |
2 |
1 |
2 |
2 |
| 19 | Amidine |
[*]-[N]-[C](=[N])-[CX4] |
 |
2 |
1 |
1 |
1 |
2 |
| 20 | Amidosulfinic Acid |
[*][N][S](=[O])[O] |
 |
1 |
1 |
1 |
1 |
3 |
| 21 | Aminium Ion |
[#6][NX4+,nX3+] |
 |
8 |
7 |
2 |
3 |
14 |
| 22 | Amitrole |
[#7][c]1[n][c][n][n]1 |
 |
1 |
1 |
1 |
1 |
1 |
| 23 | Arsenic Acid |
[#6][As](=[O])([O])[O] |
 |
1 |
2 |
1 |
1 |
2 |
| 24 | Arsine Oxide |
[#6][As]=[O] |
 |
1 |
2 |
1 |
1 |
3 |
| 25 | Aryl Halide |
[c][F,Br,Cl,I] |
 |
19 |
18 |
1 |
3 |
31 |