| Structure | Name/CAS No. | Articles | 
|---|---|---|
|  | diacetylmorphine CAS:561-27-3 | |
|  | meperidine CAS:57-42-1 | |
|  | Meperidine Hydrochloride CAS:50-13-5 | |
|  | Heroine hydrochloride CAS:1502-95-0 |