(E)-3-(4-((6-hydroxy-2- (4-(trifluoromethyl)- phenyl)benzo[b]thiophen- 3-yl)oxy)phenyl)-N- methylacrylamide

(E)-3-(4-((6-hydroxy-2-(o-tolyl)benzo-[b]thiophen-3-yl)oxy)-phenyl)acrylic acid

(E)-3-(4-((6-hydroxy-2-(2-isopropylphenyl)benzo[b]thiophen-3-yl)oxy)phenyl)acrylic acid

(E)-3-(4-((2-(4-fluoro-2-methylphenyl)-6-hydroxybenzo[b]thiophen-3-yl)oxy)phenyl)-acrylic acid