| Label | Id | |
|---|---|---|
| Ac-hP-OH | 73020 | |
| AcOK | 32029 | |
| Acardi | 32003 | |
| Acetamidophos | 34520 | |
| Acetylisoniazid | 7207 | |
| Acomic | 31201 | |
| Acryptan | 82019 | |
| Actinoid | 33320 | |
| Actinoide | 33320 | |
| Actinoidenelemente | 33320 | |
| Actinoidengruppe | 33320 | |
| Actriol | 87620 | |
| Aetzkali | 32035 | |
| Agermin | 82035 | |
| Ajatin | 167207 |