2,4-Bis[2-[(4,6-diamino-1,3,5-triazin-2-yl)amino]ethylamino]-1,3,5-triazin-6-amine

N,N'-bis[2-[(4,6-diamino-1,3,5-triazin-2-yl)amino]ethyl]-1,3,5-triazine-2,4,6-triamine