N,N'-Bis(o-hydroxyphenyl)-4,4'-stilbenedicarboxamide
N,N'-Bis(o-hydroxyphenyl)-4,4'-stilbenedicarboxamide ??
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N,N'-Bis(o-hydroxyphenyl)-4,4'-stilbenedicarboxamide C??? ??, ??, ??
N,N'-Bis(o-hydroxyphenyl)-4,4'-stilbenedicarboxamide ?? ?? ? ???
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N,N'-Bis(o-hydroxyphenyl)-4,4'-stilbenedicarboxamide ?? ??
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