1H-Purin-6-amine, N-[3-[[bis(2-chloroethyl)amino]methyl]-4-ethoxyphenyl]-, dihydrochloride Adenine, N(6)-[.alpha.-[bis(2-chloroethyl)amino]-4-ethoxy-m-tolyl]-, dihydrochloride, dihydrate Adenine, N6-(.alpha.-[bis(2-chloroethyl)amino]-4-ethoxy-m-tolyl)-, dihydrochloride Burckhalter's adenine mustard KAN 546 NSC29455