1-Pentanamine, N,N'-(dithiodi-2,1-ethanediyl)bis[5-[(5-chloro-2-pyridinyl)oxy]-, dihydrochloride 2,2'-[Dithiobis(ethyleneiminopentamethyleneoxy)]bis(5-chloropyridine) dihydrochloride 41287-68-7 NSC116179