1,7-Bis(2-hydroxybenzyl)-4-(4-aminobenzyl)diethylenetriamine 127381-59-3 2,2'-((((4-Aminophenyl)methyl)imino)bis(2,1-ethanediyliminomethylene))bisphenol Bhabdt Phenol, 2,2'-((((4-aminophenyl)methyl)imino)bis(2,1-ethanediyliminomethylene))bis-