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

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

di-O-benzylolivetol

methyl 2-hydroxy-4-isopropyloxy-6-pentylbenzoate