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  Indian J Med Microbiol
 

Figure 1: Chemical structure of (a) coumarin; (b) dapsone (diaminodiphenyl sulfone [DADS]); (c) 8-[(4-Chloro phenyl) sulfonyl]-7-hydroxy-4-methyl-2H-chromen-2-One

Figure 1: Chemical structure of (a) coumarin; (b) dapsone (diaminodiphenyl sulfone [DADS]); (c) 8-[(4-Chloro phenyl) sulfonyl]-7-hydroxy-4-methyl-2H-chromen-2-One