1,3-Propanediamine, N-(2-chloroethyl)-N'-(7-chloro-2-methoxybenzo[b]-1,5-naphthyridin-10-yl)-N-ethyl-, dihydrochloride 38915-28-5 Benzo[b][1,5]naphthyridine, 7-chloro-10-[3-[N-(2-chloroethyl)-N-ethyl]aminopropylamino]-2-methoxy-, dihydrochloride NSC133482