methyl 2-diphenylphosphorylacetate

methyl 3-(benzenesulfonyl)prop-2-enoate

methyl 2-(1,3-benzodioxol-5-yloxy)acetate

7-nitro-4H-1,4-benzothiazin-3-one

Methyl 6-hydroxy-1-benzofuran-2-carboxylate