methyl 3,4-dichlorobutanoate

benzyl but-3-enoate

2-acetyl-3-prop-2-enylnaphthalene-1,4-dione

1-(6-hydroxy-2H-benzo[h]chromen-5-yl)ethanone

2-(1-hydroxyethyl)-3-prop-2-enylnaphthalene-1,4-dione