methyl 1,2,3,4-tetrahydro-5,8-dimethoxy-4-oxonaphthalene-2-carboxylate

3,4-dibromo-2,2,5,5-tetrafluoro-2,5-dihydrofuran

methyl 1,2,3,4-tetrahydro-5-hydroxy-8-methoxy-4-oxonaphthalene-2-carboxylate

5-(benzyloxy)-8-methoxy-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid

methyl 5-benzyloxy-1,2,3,4-tetrahydro-8-methoxynaphthalene-2-carboxylate