methyl 2,3-dihydro-6-hydroxy-4'-methoxy-2',3-dioxo-4,6'-dipentylspiro-5'-carboxylate

methyl 3-formyl-4-hydroxy-6-methoxy-2-pentylbenzoate

6-benzyloxy-4-methoxy-3-methoxycarbonyl-2-pentylbenzoic acid

methyl 3-(2,4-dihydroxy-6-pentylbenzoyl)-4-hydroxy-6-methoxy-2-pentylbenzoate

methyl 3-hydroxy-8-methoxy-1,6-dipentyl-11-oxo-11H-dibenzo<1,4>dioxepin-7-carboxylate