4-hydroxybenzo[h]chromen-2-one

1,2-bis(4-methylphenyl)ethanone

3,4,4-trichloro-1-(4-methylphenyl)but-3-en-1-one

(3aS,7aS)-4-methylisobenzofuran-1,1,3,3(3aH,7aH)-tetracarbonitrile

5-methyl-3a,7a-dihydro-2-benzofuran-1,1,3,3-tetracarbonitrile