4-(2-((3-Amino-4-pyridyl)amino)ethyl)catechol 451-75-2 5-22-11-00269 (Beilstein Handbook Reference) BRN 0483178 Pyridine, 3-amino-4-(3,4-dihydroxyphenethylamino)- o-CATECHOL, 4-(2-((3-AMINO-4-PYRIDYL)AMINO)ETHYL)-