9-N-(N'-Chloroethyl-N'-methyl-1,5-diaminopentyl)2-methoxy acridine dihydrochloride AIDS-156838 AIDS156838 NSC631198 (HYDROCHLORIDE SALT) N~1~-(2-Chloroethyl)-N~5~-(2-methoxy-9-acridinyl)-N~1~-methyl-1,5-pentanediamine hydrochloride