1752-24-5 4,4'-Dihydroxydiphenylamine 4,4'-Iminobisphenol 4,4'-Iminodiphenol 4-13-00-01064 (Beilstein Handbook Reference) BRN 2104633 Bis(4-hydroxyphenyl)amine Bis(p-hydroxyphenyl)amine EINECS 217-136-3 Leucoindophenol Phenol, 4,4'-iminobis- Phenol, 4,4'-iminodi-