Index	Ligand Name	Ligand ID	Canonical SMILES	#Protein-Ligand Complex(es)
1	(1R,2S)-2-{[N-({[1-(tert-butoxycarbonyl)-4-ethylpiperidin-4-yl]oxy}carbonyl)-L-leucyl]amino}-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid	COVPDB534	CCC1(CCN(CC1)C(=O)OC(C)(C)C)OC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@H](O)S(O)(=O)=O	1
2	(1R,2S)-2-{[N-({[4-benzyl-1-(tert-butoxycarbonyl)piperidin-4-yl]oxy}carbonyl)-L-leucyl]amino}-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid	COVPDB512	CC(C)C[C@H](NC(=O)OC1(Cc2ccccc2)CCN(CC1)C(=O)OC(C)(C)C)C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@H](O)S(O)(=O)=O	1
3	(1R,2S)-2-({N-[(benzyloxy)carbonyl]-3-cyclohexyl-L-alanyl}amino)-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid	COVPDB1083	O[C@@H]([C@H](C[C@@H]1CCNC1=O)NC(=O)[C@@H](CC1CCCCC1)NC(=O)OCc1ccccc1)S(O)(=O)=O	2
4	(1S,2S)-2-{[N-({[1-(tert-butoxycarbonyl)-4-ethylpiperidin-4-yl]oxy}carbonyl)-L-leucyl]amino}-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid	COVPDB1127	CCC1(CCN(CC1)C(=O)OC(C)(C)C)OC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@@H](O)S(O)(=O)=O	1
5	(1S,2S)-2-[(N-{[2-(3-chlorophenyl)ethoxy]carbonyl}-L-leucyl)amino]-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid	COVPDB513	CC(C)C[C@H](NC(=O)OCCc1cccc(Cl)c1)C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@H](O)S(O)(=O)=O	2
6	(1S,2S)-2-[(N-{[(4,4-difluorocyclohexyl)methoxy]carbonyl}-L-leucyl)amino]-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid	COVPDB1267	CC(C)C[C@H](NC(=O)OCC1CCC(F)(F)CC1)C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@H](O)S(O)(=O)=O	4
7	(1S,2S)-2-{[N-({[4-benzyl-1-(tert-butoxycarbonyl)piperidin-4-yl]oxy}carbonyl)-L-leucyl]amino}-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid	COVPDB531	CC(C)C[C@H](NC(=O)OC1(Cc2ccccc2)CCN(CC1)C(=O)OC(C)(C)C)C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@@H](O)S(O)(=O)=O	1
8	(2S)-2-[(2S)-3-cyclohexyl-2-({[(4,4-difluorocyclohexyl)oxy]carbonyl}amino)propanamido]-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid	COVPDB1268	O[C@@H]([C@H](C[C@@H]1CCNC1=O)NC(=O)[C@H](CC1CCCCC1)NC(=O)OC1CCC(F)(F)CC1)S(O)(=O)=O	1
9	(2S)-2-((S)-3-cyclohexyl-2-((3-(4-methoxyphenoxy)propyl)sulfon amido)propanamido)-1-hydroxy-3-((S)-2-oxopyrrolidin-3-yl)propane-1-sulfonate	COVPDB1130	COc1ccc(OCCCS(=O)(=O)N[C@@H](CC2CCCCC2)C(=O)N[C@@H](C[C@@H]2CCNC2=O)[C@H](O)S(O)(=O)=O)cc1	2
10	(2S)-2-((S)-3-cyclohexyl-2-(octylsulfonamido)propanamido)-1-hydroxy-3-((S)-2-oxopyrrolidin-3-yl)propane-1-sulfonate	COVPDB1131	CCCCCCCCS(=O)(=O)N[C@@H](CC1CCCCC1)C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@H](O)S(O)(=O)=O	1
11	(R,S)-GC376	COVPDB1514	CC(C)C[C@H](NC(=O)OCC1=CC=CC=C1)C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@H](O)S(O)(=O)=O	2
12	(S,S)-GC376	COVPDB1009	CC(C)C[C@H](NC(=O)OCc1ccccc1)C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@@H](O)S(O)(=O)=O	9