n,n,n',n'-tetrakis([1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine
name：n,n,n',n'-tetrakis([1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine cas no.：164724-35-0 purity：99.50%