abstract the present invention concerns an anti-tumor composition comprising the compound 1- (6 - {[6- (4-fluorophenyl) [1,2,4] triazolo [4,3-b] pyridazin-3-yl] sulfanyl} -1,3-benzothiazol-2-yl) -3- (2-morpholin-4-ylethyl) urea and its use in the treatment of cancer. "anti-tumor composition comprising the compound 1- (6 - {[6- (4-fluorophenyl) [1,2,4] triazolo [4,3-b] pyridazin-3-yl"). ] sulfanyl} -1,3-benzothiazol-2-yl) -3- (2-morpholin-4-ylethyl) urea ". The present invention relates to an antitumor composition comprising 1- (6 - {[6- (4-fluorophenyl) [1,2,4] triazolo [4,3-b] pyridazin-3-yl] sulfanyl} -1,3-benzothiazol-2-yl) -3- (2-morpholin-4-ylethyl) urea, and their use in cancer treatment.abstract the present invention concerns an anti-tumoral composition comprising the compound 1-(6-{[6-(4-fluorophenyl)[1,2,4]triazolo[4,3-b]pyridazin-3-yl]sulfanyl}-1,3-benzothiazol-2-yl)-3-(2-morpholin-4-ylethyl)urea and its use in the treatment of cancer. tradução do resumo resumo patente de invenção: "composição anti-tumoral compreendendo o composto 1-(6-{[6-(4-fluorofenil)[1,2,4]triazolo[4,3-b]piridazin-3-il]sulfanil}-1,3-benzotiazol-2-il)-3-(2-morfolin-4-iletil)ureia". a presente invenção refere-se a uma composição antitumoral compreendendo o composto 1-(6-{[6-(4-fluorofenil)[1,2,4]triazolo[4,3-b]piridazin-3-il]sulfanil}-1,3-benzotiazol-2-il)-3-(2-morfolin-4-iletil)ureia, e seu uso no tratamento de câncer.