Pyridine series

5-Bromo-[2,2']bithiophenyl

2,5-Diphenyl-thiophene

2-Bromo-5-phenyl-thiophene

2-(4-Bromo-phenyl)-thiophene

Thiophene-2,5-dicarbaldehyde

Anthracene-2-carboxylic acid

1-Methyl-pyrene

9-Methyl-phenanthrene

9-Methyl-anthracene

Anthracene-9-carbaldehyde

3,6-Dibromo-thieno[3,2-b]thiop

2-Ethyl-anthracene