141-86-6 2,6-Diaminopyridine 2,6-PYRIDINEDIAMINE 5-22-11-00255 (Beilstein Handbook Reference) 84872-10-6 AI3-18054 BRN 0108513 CCRIS 6682 DAP DAP (amine) EINECS 205-507-2 NSC 1921 Pyridine, 2,6-diamino- Pyridine-2,6-diyldiamine