4,4'-Methylenebis(1,3-naphthalenediol)
4,4'-Methylenebis(1,3-naphthalenediol) ??
??
4,4'-Methylenebis(1,3-naphthalenediol) C??? ??, ??, ??
4,4'-Methylenebis(1,3-naphthalenediol) ?? ?? ? ???
???
?? ??
4,4'-Methylenebis(1,3-naphthalenediol) ?? ??
???( 0)?? ??