4,7-Quinolinediamine, N(4),N(4')-1,6-hexanediylbis[N(7),N(7)-dimethyl- 4,7-Quinolinediamine, N(4),N(4')-1,6-octanediylbis(N(7),N(7)-dimethyl- 4,7-Quinolinediamine, N4,N4'-1,6-hexanediylbis[N7,N7-dimethyl- NSC313159