Inhibition of Src kinase activity by 7-[(2,4-dichloro-5-methoxyphenyl)amino]-2-heteroaryl-thieno[3,2-b]pyridine-6-carbonitriles

7-[(2,4-Dichloro-5-methoxyphenyl)amino]thieno[3,2-b]pyridine-6-carbonitriles with various heteroaryl groups at C-2 are inhibitors of Src kinase activity.