Synonyms: 1,3-Propanediamine, N- (2-chloroethyl)-N-(7-chloro-2-methoxybenzo[b]-1, 5-naphthyridin-10-yl)-N-ethyl-, dihydrochloride;Benzo[b][1,5]naphthyridine, 7-chloro-10-[3-[N-(2-chloroethyl)-N-ethyl]aminopropylamino]-2-meth oxy-, dihydrochloride;1,3-Propanediamine,N-(2-chloroethyl)-N'-(7- chloro-2-methoxybenzo[b]-1,5-naphthyridin- 10-yl)-N-ethyl-,dihydrochloride;