| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Product containing phenoperidine (medicinal product) | Is a | True | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| Product containing fentanyl (medicinal product) | Is a | True | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| Product containing pethidine (medicinal product) | Is a | True | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| Product containing alfentanil (medicinal product) | Is a | True | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| Pethidine analogue poisoning | Causative agent | False | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| Pethidine analog adverse reaction | Causative agent | False | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| Allergy to pethidine analog (finding) | Causative agent | False | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| Pethidine analog overdose | Causative agent | False | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| Pethidine hydrochloride 100 mg oral tablet | Is a | False | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| Product containing precisely pethidine hydrochloride 50 milligram and promethazine hydrochloride 25 milligram/1 each conventional release oral capsule (clinical drug) | Is a | False | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| fentanyl (som fentanylcitrat) 500 mikrogram/10 ml, injektionsvätska, lösning, ampull | Is a | False | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| fentanyl (som fentanylcitrat) 100 mikrogram/2 ml, injektionsvätska, lösning, ampull | Is a | False | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| meperidinhydroklorid 100 mg/10 ml, injektionsvätska, lösning, ampull | Is a | False | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| meperidinhydroklorid 100 mg/2 ml, injektionsvätska, lösning, ampull | Is a | False | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| meperidinhydroklorid 50 mg/ml, injektionsvätska, lösning, ampull | Is a | False | Product containing pethidine analog (product) | Inferred relationship | Some |  | 
| meperidinhydroklorid 50 mg/5 ml, injektionsvätska, lösning, ampull | Is a | False | Product containing pethidine analog (product) | Inferred relationship | Some |  |