bis(4-methoxyphenyl) [1,1'-biphenyl]-4,4'-dicarboxylate
bis(4-methoxyphenyl) [1,1'-biphenyl]-4,4'-dicarboxylate ??
??
bis(4-methoxyphenyl) [1,1'-biphenyl]-4,4'-dicarboxylate C??? ??, ??, ??
bis(4-methoxyphenyl) [1,1'-biphenyl]-4,4'-dicarboxylate ?? ?? ? ???
???
?? ??
bis(4-methoxyphenyl) [1,1'-biphenyl]-4,4'-dicarboxylate ?? ??
???( 1)?? ??