(E)-3-[4-({(2-fluoroethyl)[2-(2-methyl-1H-indol-3-yl)ethyl]amino}methyl)phenyl]-N-hydroxyacrylamide
(E)-3-[4-({(2-fluoroethyl)[2-(2-methyl-1H-indol-3-yl)ethyl]amino}methyl)phenyl]acrylic acid methyl ester
(E)-3-[4-({(2,2-difluoroethyl)[2-(2-methyl-1H-indol-3-yl)ethyl]amino}methyl)phenyl]acrylic acid methyl ester
(E)-3-[4-({(2,2-difluoroethyl)[2-(2-methyl-1H-indol-3-yl)ethyl]amino}methyl)phenyl]-N-hydroxyacrylamide
(E)-3-[4-({(3,3-difluoropropyl)[2-(2-methyl-1H-indol-3-yl)ethyl]amino}methyl)phenyl]acrylic acid methyl ester