7L'hch pronounced antitumor activity displayed by two eth~ l-2-chloroethylai: iirio: tl~ yla~ iiino derivativte of acridine led to t II (: s\ mthrsis of fiftwn quinoline and acridine analogs of this type for studies of their structrire-activit!. relationships com-I):, irwl\ vit ti t hoscl of th (1 correspoiiding bis (2-chloroethyl) forms. Sisteen other alkylating agents which incorI) or: ttcid a vxripty I,] iiiot1itic: itioiis both iii the si&>(S1i: iin: ind in the qiiinoline or avridine uiirlcws ...