1,5,9-Trimethyl-13-oxabicyclo[10.1.0]trideca-4,8-diene

1,5-BIS-(2-THIENYL)-1,4-PENTADIEN-3-ONE

1,5-BIS-(2-THIENYL)-1,4-PENTADIEN-3-ONE

1,5-BIS-(3,4-DIMETHOXYPHENYL)-3-PENTADIENONE

1,5-DICHLOROANTHRAQUINONE

4-ANTIPYRINECARBOXALDEHYDE