Patent ID: 7098208

Claim:
A method of treating cancer selected from the groups consisting of ovarian, pancreatic and breast cancer which comprises administering to a mammal a therapeutically effective amount of a compound which is selected from: N′-(7-Cyclobutyl-3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)-2,2,N,N-tetramethyl-propane-1,3-diamine; N′-(7-Cyclobutyl-3-(3,5-difluoro-phenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)-2,2,N,N-tetramethyl-propane-1,3-diamine; N′-(7-Cyclobutyl-3-(3,4-difluoro-phenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)-2,2,N,N-tetramethyl-propane-1,3-diamine; N′-(7-Cyclobutyl-3-(4-fluoro-phenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)-2,2,N,N-tetramethyl-propane-1,3-diamine; and N′-(7-Cyclobutyl-3-(3-fluoro-phenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)-2,2,N,N-tetramethyl-propane-1,3-diamine; or a pharmaceutically acceptable salt thereof.