1,2,3,5-tetrahydroxybenzene

N'-(benzenesulfonyl)-3,4-dimethoxy-5-phenylmethoxybenzohydrazide

methyl 2-ethoxy-7-hydroxy-1,3-benzodioxole-5-carboxylate

methyl 6-bromo-7-hydroxy-2,2-diphenylbenzo[d][1,3]dioxole-5-carboxylate

methyl 7-methoxy-6-nitro-1,3-benzodioxole-5-carboxylate