Delavirdine mesylate147221-93-0100 % similar Delavirdine136817-59-990 % similar 5-Methylsulfonaminoindole-2-carboxylic acid150975-95-443 % similar (5-Chloro-1H-indol-2-yl)(4-methyl-1-piperazinyl)methanone459168-41-334 % similar