| 1 | HRH2
                
             💬 | 4件: Calcium signaling pathwayCalcium signaling pathway, Neuroactive ligand-receptor interaction, Neuroactive ligand signaling, Gastric acid secretion | FamotidineFamotidine
                
             💬 | Famotidine | 7件: 66, 46, 61, 86, 98, 145, 300 💬 | 
| 2 | HRH2
                
             💬 | 4件: Calcium signaling pathwayCalcium signaling pathway, Neuroactive ligand-receptor interaction, Neuroactive ligand signaling, Gastric acid secretion | CimetidineCimetidine
                
             💬 | Cimetidine | 2件: 22, 254 💬 | 
| 3 | HRH2
                
             💬 | 4件: Calcium signaling pathwayCalcium signaling pathway, Neuroactive ligand-receptor interaction, Neuroactive ligand signaling, Gastric acid secretion | Ranitidine hydrochlorideRanitidine hydrochloride
                
             💬 | Ranitidine | 3件: 1313, 28, 65 💬 | 
| 4 | HRH2
                
             💬 | 4件: Calcium signaling pathwayCalcium signaling pathway, Neuroactive ligand-receptor interaction, Neuroactive ligand signaling, Gastric acid secretion | RanitidineRanitidine
                
             💬 | Ranitidine | 3件: 1313, 28, 65 💬 | 
| 5 | HRH2
                
             💬 | 4件: Calcium signaling pathwayCalcium signaling pathway, Neuroactive ligand-receptor interaction, Neuroactive ligand signaling, Gastric acid secretion | Cimetidine hydrochlorideCimetidine hydrochloride
                
             💬 | Cimetidine | 2件: 22, 254 💬 | 
| 6 | HRH2
                
             💬 | 4件: Calcium signaling pathwayCalcium signaling pathway, Neuroactive ligand-receptor interaction, Neuroactive ligand signaling, Gastric acid secretion | Histamine phosphateHistamine phosphate
                
             💬 | Histamine | 1件: 1313 💬 | 
| 7 | HRH2
                
             💬 | 4件: Calcium signaling pathwayCalcium signaling pathway, Neuroactive ligand-receptor interaction, Neuroactive ligand signaling, Gastric acid secretion | Ranitidine bismuth citrateRanitidine bismuth citrate
                
             💬 | Ranitidine | 3件: 1313, 28, 65 💬 | 
| 8 | HRH2
                
             💬 | 4件: Calcium signaling pathwayCalcium signaling pathway, Neuroactive ligand-receptor interaction, Neuroactive ligand signaling, Gastric acid secretion | HistamineHistamine
                
             💬 | Histamine | 1件: 1313 💬 |