| Name | SMILES | Flavor type | Data resource |
|---|---|---|---|
| cis-Cyclo(L-Asn-L-Phe) | NC(=O)CC1NC(=O)C(Cc2ccccc2)NC1=O | Bitter | BitterDB, ChemTasteDB |
| citrulline | NC(=O)NCCC[C@H](N)C(=O)O | Bitter | PhytoMolecularTasteDB |
| Nitrofurazone | NC(=O)NN=Cc1ccc([N+](=O)[O-])o1 | Bitter | BitterSweet, BitterDB, ChemTasteDB |
| Phenprobamate | NC(=O)OCCCc1ccccc1 | Bitter | BitterSweet, BitterDB, ChemTasteDB |
| Benzamide | NC(=O)c1ccccc1 | Bitter | ChemTasteDB, PhytoMolecularTasteDB, PlantMolecularTasteDB, BitterDB, BitterSweet |
| Salicylamide | NC(=O)c1ccccc1O | Bitter | BitterSweet, BitterDB, ChemTasteDB |
| ANTU | NC(=S)Nc1cccc2ccccc12 | Bitter | BitterSweet, BitterDB, ChemTasteDB |
| Phenylthiocarbamide (PTC) | NC(=S)Nc1ccccc1 | Bitter | BitterSweet, BitterDB, ChemTasteDB |
| gamma-Glu-Tyr | NC(CCC(=O)NC(Cc1ccc(O)cc1)C(=O)O)C(=O)O | Bitter | BitterDB, ChemTasteDB |
| alpha-Glu-Trp | NC(CCC(=O)O)C(=O)NC(Cc1c[nH]c2ccccc12)C(=O)O | Bitter | BitterDB, ChemTasteDB |
| alpha-Glu-Tyr | NC(CCC(=O)O)C(=O)NC(Cc1ccc(O)cc1)C(=O)O | Bitter | BitterDB, ChemTasteDB |
| Trp-Pro | NC(Cc1c[nH]c2ccccc12)C(=O)N1CCCC1C(=O)O | Bitter | Natural_TAS2R_agonists, BitterDB, ChemTasteDB |
| Trp-Trp-Trp | NC(Cc1c[nH]c2ccccc12)C(=O)NC(Cc1c[nH]c2ccccc12)C(=O)NC(Cc1c[nH]c2ccccc12)C(=O)O | Bitter | Natural_TAS2R_agonists, BitterDB, ChemTasteDB |
| Trp-Trp | NC(Cc1c[nH]c2ccccc12)C(=O)NC(Cc1c[nH]c2ccccc12)C(=O)O | Bitter | Natural_TAS2R_agonists, BitterDB, ChemTasteDB |
| Trp-Phe | NC(Cc1c[nH]c2ccccc12)C(=O)NC(Cc1ccccc1)C(=O)O | Bitter | Natural_TAS2R_agonists, BitterDB, ChemTasteDB |
| Phe-Trp | NC(Cc1ccccc1)C(=O)NC(Cc1c[nH]c2ccccc12)C(=O)O | Bitter | BitterDB, ChemTasteDB |
| Phe-Phe-Phe | NC(Cc1ccccc1)C(=O)NC(Cc1ccccc1)C(=O)NC(Cc1ccccc1)C(=O)O | Bitter | BitterSweet, BitterDB, ChemTasteDB |
| L-Phe-L-Gly-L-Phe-L-Gly | NC(Cc1ccccc1)C(=O)NCC(=O)NC(Cc1ccccc1)C(=O)NCC(=O)O | Bitter | ChemTasteDB |
| L-Phe-L-Gly-L-Gly-L-Phe | NC(Cc1ccccc1)C(=O)NCC(=O)NCC(=O)NC(Cc1ccccc1)C(=O)O | Bitter | ChemTasteDB |
| L-Phe-L-Gly | NC(Cc1ccccc1)C(=O)NCC(=O)O | Bitter | ChemTasteDB |
| Phenylbiguanide | NC(N)=NC(N)=Nc1ccccc1 | Bitter | BitterSweet, BitterDB, ChemTasteDB |
| Pro-Arg | NC(N)=NCCCC(NC(=O)C1CCCN1)C(=O)O | Bitter | BitterDB, ChemTasteDB |
| arginine | NC(N)=NCCC[C@H](N)C(=O)O | Bitter | AromaDB, PhytoMolecularTasteDB |
| Pro-arg, Prolylarginine | NC(N)=NCCC[C@H](NC(=O)[C@@H]1CCCN1)C(=O)O | Bitter | BitterSweet |
| Famotidine | NC(N)=Nc1nc(CSCCC(N)=NS(N)(=O)=O)cs1 | Bitter | BitterSweet, BitterDB, ChemTasteDB |
| Urea | NC(N)=O | Bitter | BitterSweet, BitterDB, ChemTasteDB |
| Cyclohexylamine | NC1CCCCC1 | Bitter | ChemTasteDB |
| Gly-Phe; Glycyl-l-phenylalanine; Glycylphenylalanine | NCC(=O)NC(Cc1ccccc1)C(=O)Nc1ccc2ccccc2c1 | Bitter | Natural_TAS2R_agonists |
| L-Gly-L-Phe | NCC(=O)NC(Cc1ccccc1)C(=O)O | Bitter | BitterDB, ChemTasteDB |
| gly-phe, glycyl-l-phenylalanine, Glycylphenylalanine | NCC(=O)N[C@@H](Cc1ccccc1)C(=O)O | Bitter | BitterSweet |