1,8-Naphthyridine-2,7-diamine, N(sup 2)-(4-(diethylamino)-1-methylbutyl)-4-phenyl- 55242-88-1 BRN 0695497 N(sup 2)-(4-(Diethylamino)-1-methylbutyl)-4-phenyl-1,8-naphthyridine-2,7-diamine