| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Nicotine (NCHA) Classic 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| Nicotine (NCHA) Freshmint 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| Nicotinell Tropical Fruit 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| Nicotinell Ice Mint 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| Nicaway Mint 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 100 | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Nicabate Soft Gum Mint 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 24 gums (medicinal product pack) | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Nicotinell Liquorice 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 96 | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Nicotine (Amcal) Mint 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| Nicotine (Amcal) Fruit 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 12 | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Nicotinell Mint 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 120 | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Nicotine (Guardian) 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| Nicotinell Classic 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 144 gums (medicinal product pack) | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Nicotine (Chemists' Own) Mint 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 168 | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Quitx Classic 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| Nicotine (Chemists' Own) Fruit 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 180 gums (medicinal product pack) | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| nicotine 2 mg chewing gum, 108 | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Nicorette Freshmint 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 30 gums (medicinal product pack) | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Quitx Freshmint 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 192 | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Nicotinell Fruit 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| Nicorette Icy Mint 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 105 | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Nicorette Freshfruit 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| Nicabate P 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 15 | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| Nicorette Classic 2 mg chewing gum | Is a | True | nicotine 2 mg chewing gum | Inferred relationship | Some |  | 
| nicotine 2 mg chewing gum, 384 | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| nicotine 2 mg chewing gum, 216 gums (medicinal product pack) | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 | 
| nicotine 2 mg chewing gum, 204 | has MPUU | True | nicotine 2 mg chewing gum | Inferred relationship | Some | 1 |