2-chloro-3-(2,4-dioxopentan-3-yl)naphthalene-1,4-dione

3-(2-nitro-1-phenylethyl)pentane-2,4-dione

1-(2-methyl-1,4-dihydropyrrolo[3,2-b]indol-3-yl)ethanone

1-(2-methyl-1-phenyl-4H-pyrrolo[3,2-b]indol-3-yl)ethanone

3-(methoxymethyl)pentane-2,4-dione