
| (2S)-2-[(3S)-3-(dimethylamino)-2-oxopyrrolidinyl]propanoic acid |
| BT-1 | externally supported - dieptide lactams |
| Freidinger(1982) |

| (2R,5R,7aR)-2-amino-5-(dihydroxymethyl)-2,5,6,7,7a-pentahydropyrrolizin-3-one |
| BT-2 | externally supported - bicyclic-turned dipeptide (BTD) |
| Wang(2001) |

| (1S,4S,7R)-4-amino-9-thia-6-azabicyclo[4.3.0]nonane-7-carboxylic acid |
| BT-3 | externally supported - bicyclic-turned dipeptide (BTD) |
| Estiarte(2000) |

| (4S,7S,10S,1R)-10-amino-7-methyl-6,9-dioxo-2-thia-5,8-diazabicyclo[6.3.0]undecane-4-carboxylic acid |
| BT-4 | externally supported - bicyclic-turned tripeptide |
| Johannesson(1999) |

| 2-((5R)-1-oxo-2,6-diazaspiro[4.5]dec-2-yl)acetic acid |
| BT-5 | externallysupported - spirolactam-bicyclic based system |
| Genin(1993) |

| (7aS,3R,10R)-5-oxospiro[2,3,6,7,7a-pentahydropyrrolizine-6,2'-piperidine]-3-carboxylic acid |
| BT-6 | externally supported - tricyclic proline based system |
| Hinds(1991) |

| (3S,10R)-3-amino-2-oxo-1H,3H,4H,5H,8H,9H,10H-azecine-10-carboxylic acid |
| BT-7 | externally supported - medium-ring heterocyclic compounds |
| Fink(1998) |

| (9S,2R)-9-amino-5,10-dioxo-1,6-diazaperhydroecine-2-carboxylic acid |
| BT-8 | externally supported - medium-ring heterocyclic compound |
| Kemp(1988) |


| methyl 2-[(2R)-3-indol-3-yl-2-(spiro[indane-1,4'-piperidine]-10-ylcarbonylamino)propanoylamino](2S)-6-aminohexanoate |
| BT-9 | piperidine derivates |
| Yang(1998) |


| 2-((2R,3R)-3-indol-3-yl-2-{[4-(2-oxo(3-hydrobenzimidazolyl))piperidyl]carbonylamino}butanoylamino)(2S)-6-aminohexanoic acid |
| BT-10 | piperidine derivates |
| Yang(1998) |


| 2-((2R)-3-indol-3-yl-2-{[4-(phenylsulfonyl)piperazinyl]carbonylamino}propanoylamino)(2S)-6-aminohexanoic acid |
| BT-11 | piperidine derivates |
| Hay(2001) |


| N-{(1R)-2-[1-(methylsulfonyl)spiro[indoline-3,4'-piperidine]-10-yl]-2-oxo-1-[(phenylmethoxy)methyl]ethyl}-2-amino-2-methylpropanamide |
| BT-12 | piperidine derivates |
| Patchett(1995) |


| (3R)-1-[(2R)-2-(2-amino-2-methylpropanoylamino)-3-indol-3-ylpropanoyl]-3-benzylpiperidine-3-carboxylic acid |
| BT-13 | piperidine derivates |
| Palucki(2001)Pan(2001)Tokunaga(2001) |


| N-{(1R)-2-[(3aR)-2-methyl-3-oxo-3a-benzyl(2H-4,5,6,7,3a-pentahydro-5-azaindazol-5-yl)]-2-oxo-1-[(phenylmethoxy)methyl]ethyl}-2-amino-2-methylpropanamide |
| BT-14 | piperidine derivates |
| Palucki(2001)Pan(2001)Tokunaga(2001) |


| ((3S)(3-1,2,3,4-tetrahydroisoquinolyl))-N-{(1S)-1-[(4-chlorophenyl)methyl]-2-[1-(methylsulfonyl)spiro[indoline-3,4'-piperidine]-10-yl]-2-oxoethyl}carboxamide |
| BT-15 | piperidine derivates |
| WO 00/74679WO 99/64002 |


| ((3S)(3-1,2,3,4-tetrahydroisoquinolyl))-N-{(1S)-1-[(4-chlorophenyl)methyl]-2-[4-cyclohexyl-4-(1,2,4-triazolylmethyl)piperidyl]-2-oxoethyl}carboxamide |
| BT-16 | piperidine derivates |
| WO 00/74679WO 99/64002 |


| [(3-{(4S)-1-[(1S)-1-(cyclohexylmethyl)-2-oxo-2-spiro[indane-1,4'-piperidine]-10-ylethyl]-2,5-dioxo-1,3-diazolidin-4-yl}propyl)amino]methanamidine |
| BT-17 | piperidine derivates |
| de Laszlo(1997) |

| N-((3S)-1-methyl-2-oxo-5-phenyl(3H-benzo[f]1,4-diazepin-3-yl))indol-2-ylcarboxamide |
| BT-18 | benzodiazepine |
| Low(2000) |

| N-((5S,3R)-1-methyl-2-oxo-5-phenyl(3H,4H,5H-benzo[f]1,4-diazaperhydroepin-3-yl))[(3-methylphenyl)amino]carboxamide |
| BT-19 | benzodiazepine |
| Low(2000) |

| 2-{(3S)-2,4-dioxo-5-phenyl-3-[(phenylamino)carbonylamino](3H-benzo[b]1,4-diazaperhydroepinyl)}-N-methyl-N-phenylacetamide |
| BT-20 | benzodiazepine |
| Willson(1996) |

| 2-[(3S)-3-(1H-indazol-3-ylmethyl)-2,4-dioxo-5-phenyl(3H-benzo[b]1,4-diazaperhydroepinyl)]-N-(4-methoxyphenyl)-N-(methylethyl)acetamide |
| BT-21 | benzodiazepine |
| Henke(1996)Henke(1997)Willson(1996) |

| (2R)-N-[(3R)-1-({N-[(1S)-1-(2-methylthioethyl)-2-oxoethyl]carbamoyl}methyl)-2-oxo-5-phenyl(3H-benzo[f]1,4-diazepin-3-yl)]-2-amino-N-methyl-3-sulfanylpropanamide |
| BT-22 | benzodiazepine |
| James(1993) |

| 2-{[(3S)-1-(imidazol-5-ylmethyl)-7-(iminomethyl)-3-benzyl-2H,3H,5H-benzo[f]1,4-diazaperhydroepin-4-yl]sulfonyl}thiophene |
| BT-23 | benzodiazepine |
| Ding(1999)Hunt(2000)Rose(2001) |

| 4-{2-[4-((11R)-3,10-dibromo-8-chloro(5,6,11-trihydrobenzo[b]pyridino[3,2-f][7]annulen-11-yl))piperidyl]-2-oxoethyl}cyclohexanecarboxamide |
| BT-24 | benzodiazepine |
| Liu(1998) |

| (4S,7S)-4-amino-5-oxo-6-azabicyclo[4.3.0]nonane-7-carboxylic acid |
| BT-25 | |
| Estiarte(2000) |

| (4S,7S)-4-amino-5-oxo-2-oxa-6-azabicyclo[4.3.0]nonane-7-carboxylic acid |
| BT-26 | |
| Estiarte(2000) |

| (4S,7S)-4-amino-5-oxo-9-oxa-6-azabicyclo[4.3.0]nonane-7-carboxylic acid |
| BT-27 | |
| Estiarte(2000) |