1621090-03-6

2，2’-bis[4-(5-amino-2-pyridinoxy)phenyl]propane 2，2’-bis[4-(5-amino-2-pyridinoxy)phenyl]propane 3-Pyridinamine, 6,6'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis- 6,6'-[(1-Methylethylidene)-bis(-4,1-phenyleneoxy)]-bis-3-pyridin-amine 6,6'-[(1-methylethylidene)-bis(-4,1-phenyleneoxy)]-bis-3-pyridin-amine