1-[3-(benzotriazol-2-yl)-4-hydroxyphenyl]ethanone

ethyl 2-amino-4-(4-hydroxyphenyl)thiophene-3-carboxylate

1-[4-(1-hydroxy-2-methylbut-3-en-2-yl)oxyphenyl]ethanone

[2-(4-acetylphenoxy)-2-methylbut-3-enyl] acetate

(E)-4-(4-hydroxyphenyl)-4-oxobut-2-enoic acid