1 C1V 3-[4-(2-hydroxyphenyl)phenyl]-4-oxidanyl-6-oxidanylidene-7h-thieno[2,3-B]pyridine-5-carbonitrile 1.000 2 32J 2-chloro-4-hydroxy-3-(2'-hydroxybiphenyl-4-yl)-6-oxo-6,7-dihydrothieno[2,3-B]pyridine-5-carbonitrile 0.963