3,4,6,6-tetramethoxy-6,7-dihydro-5H-benzo[7]annulen-5-one

2,2-dimethoxypent-4-enal

1-(2,3-dimethoxy-6-vinylphenyl)-2,2-dimethoxypent-4-en-1-one

1-[6-(dimethoxymethyl)-2,3-dimethoxyphenyl]-2,2-dimethoxypent-4-en-1-ol

2-(2‘,2‘-dimethoxypent-4‘-enoyl)-3,4-dimethoxybenzaldehyde