9β-Benzyloxymethyl-9,9aβ-dihydro-7-methoxy-6-methyl-3H-pyrrolo<1,2-a>indole-5,8-dione

5-bromo-2-hydroxy-4-methoxy-3-methylbenzaldehyde

5-bromo-2,4-dimethoxy-3-methylphenyl 2,4-pentadienyl ether

5-bromo-2,4-dimethoxy-3-methylphenyl 2,4-hexadienyl ether

<1,1-(2)H2>-2-(2,4-pentadienyl)-3-bromo-4,6-dimethoxy-5-methylphenol