2-[4-({[(3-aminophenyl)amino]carbonyl}amino)phenoxy]-2-methylpropanoic acid InChI=1/C17H19N3O4/c1-17(2,15(21)22)24-14-8-6-12(7-9-14)19-16(23)20-13-5-3-4-11(18)10-13/h3-10H,18H2,1-2H3,(H,21,22)(H2,19,20,23 propanoic acid, 2-[4-[[[(3-aminophenyl)amino]carbonyl]amino]phenoxy]-2-methyl-