p-bis(styryl)benzene

1,2,5,6-tetrahydro-dibenzo[c,g]phenanthrene-3,4-dicarboxylic acid-anhydride

bis[2-((1Z)-1-buten-3-ynyl)phenyl]acetylene

5,6,9,10-tetrahydropentahelicene

1-(2-methylnaphthalen-1-yl)-3,4-dihydronaphthalene-2-carbaldehyde