| Trade name |
Active ingredients |
Pharmaceutical company |
|
Oktadin | Guanethidine | Unidentified Pharmaceutical Company |
| Oktatensin | Guanethidine | Unidentified Pharmaceutical Company |
| Oktatenzin | Guanethidine | Unidentified Pharmaceutical Company |
| Oktedrin | Amphetamine | Unidentified Pharmaceutical Company |
| Okultin M | 2-Methyl-4-Chlorophenoxyacetic Acid | Unidentified Pharmaceutical Company |
| Olansek | Olanzapine | Unidentified Pharmaceutical Company |
| Olate Flakes | Sodium Oleate | Unidentified Pharmaceutical Company |
| Oldren | Metolazone | Unidentified Pharmaceutical Company |
| Oleodiazinon | Diazinon | Unidentified Pharmaceutical Company |
| Oleogomenol | Niaouli Oil | Unidentified Pharmaceutical Company |