1 5EU 4,4'-(3-methylthiene-2,5-diyl)bis(3-chlorophenol) 1.000 2 5ET 4,4'-thiene-2,5-diylbis(3-chlorophenol) 0.955 3 7EO 2,5-bis(2-chloro-4-hydroxyphenyl)-1h-1lambda~4~-thiophen-1-one 0.913 4 1GV 4,4'-thiene-2,5-diylbis(3-methylphenol) 0.792 5 7EQ 2,5-bis(2-fluoro-4-hydroxyphenyl)-1h-1lambda~4~-thiophen-1-one 0.760