1,8-Naphthyridine-2,7-diamine, N(sup 2)-(2-(diethylamino)ethyl)-4-phenyl- 55242-86-9 BRN 0685450 N(sup 2)-(2-(Diethylamino)ethyl)-4-phenyl-1,8-naphthyridine-2,7-diamine