A polycyclic aromatic hydrocarbon consisting of three fused benzene rings.
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Benzene, 1,1'-(1,2-ethanediyl)bis[2,3,4-trimethoxy-
5,5'-(but-2-ene-1,4-diyl)bis(2-hydroxy-3-methoxybenzaldehyde)
2,3-bis(3,4-dimethoxyphenyl)-5,6-diphenylpyrazine
4-(2-cyano-phenylethenyl)benzonitrile
2-(p-tert-butyl-phenyl)phenanthro[9,10-d]imidazole
2-(o-methylphenyl)-3-(o-aminophenyl)-2-propenoic acid