2-(4-hydroxyphenyl)indene-1,3-dione

6-[2-(4-methoxyphenyl)-3,5-dihydro-2H-1,5-benzothiazepin-4-ylidene]cyclohexa-2,4-dien-1-one

2,2'-((4-hydroxyphenyl)methylene)bis(3-hydroxycyclopent-2-en-1-one)

2-[(4-hydroxyphenyl)methyl]cyclopentane-1,3-dione

N-diphenylphosphoryl-1-(4-methoxyphenyl)methanimine