4.4.1.20	0.02	-	NEM	IC50: 0.02 mM	644493	
4.4.1.20	0.05	-	diethylcarbamazine	IC50: 0.05 mM	644493	
4.4.1.20	0.05	-	Rose bengal	IC50: 0.05 mM	644490, 644507	
4.4.1.20	0.06	-	Sulfobromophthalein	IC50: 0.06 mM	644509	
4.4.1.20	0.26	-	p-aminohippuric acid	IC50: 0.26 mM	644509	
4.4.1.20	1	-	indomethacin	IC50: 1.0 mM	644490	
4.4.1.20	1.4	-	hexylglutathione	IC50: 1.4 mM	644496	
4.4.1.20	1.9	-	estrone-3-sulfate	IC50: 1.9 mM	644509	
4.4.1.20	17	-	probenecid	IC50: 17 mM	644509