2.3.1.B41	N6-ethanethioyl-N-(2-oxo-2-phenylethyl)-N2-(3-phenylpropanoyl)-L-lysinamide	0.2 mM, 20% inhibition, substrate: Ac-RYQ(N6-acetyl)K-7-amido-4-methylcoumarin	196338	
2.3.1.B41	N6-ethanethioyl-N2-(3-phenylpropanoyl)-L-lysyl-L-alanine	0.2 mM, 20% inhibition, substrate: Ac-RYQ(N6-acetyl)K-7-amido-4-methylcoumarin	196336	
2.3.1.B41	N2-[(benzyloxy)carbonyl]-N6-ethanethioyl-N-(2-fluorophenyl)-L-lysinamide	0.2 mM, 25% inhibition, substrate: Ac-RYQ(N6-acetyl)K-7-amido-4-methylcoumarin	196335	
2.3.1.B41	1-(tert-butoxycarbonyl)-L-prolyl-N6-ethanethioyl-N-phenyl-L-lysinamide	0.2 mM, 32% inhibition, substrate: Ac-RYQ(N6-acetyl)K-7-amido-4-methylcoumarin	196341	
2.3.1.B41	N2-[(benzyloxy)carbonyl]-N6-ethanethioyl-N-[2-(4-methoxyphenyl)-2-oxoethyl]-L-lysinamide	0.2 mM, 48% inhibition, substrate: Ac-RYQ(N6-acetyl)K-7-amino-4-methylcoumarin	196342	
2.3.1.B41	quercetin	0.2 mM, 52% inhibition, substrate: Ac-RYQ(N6-acetyl)K-7-amido-4-methylcoumarin	137	
2.3.1.B41	N2-[(benzyloxy)carbonyl]-N6-ethanethioyl-N-pyridin-3-yl-L-lysinamide	0.2 mM, 54% inhibition, substrate: Ac-RYQ(N6-acetyl)K-7-amido-4-methylcoumarin	196343	
2.3.1.B41	(4R)-1-[(benzyloxy)carbonyl]-4-hydroxy-L-prolyl-N6-ethanethioyl-N-phenyl-L-lysinamide	0.2 mM, 56% inhibition, substrate: Ac-RYQ(N6-acetyl)K-7-amido-4-methylcoumarin	196340	
2.3.1.B41	N6-ethanethioyl-N2-[3-(2-fluorophenyl)propanoyl]-N-pyridin-3-yl-L-lysinamide	0.2 mM, 58% inhibition, substrate: Ac-RYQ(N6-acetyl)K-7-amino-4-methylcoumarin	196344	
2.3.1.B41	luteolin	30% inhibition at 0.1 mM	436