This Hair Ming Department Off Yu mono- Seed radiation Line controls Treatment and increases Strong Elixirs, and Ke With cancer radiations Line controls Treatment methods And and uses and reduce radiation Line amounts, Yi Ke Minus Light side effects. The radiation Line controls Treatment and increases the Strong Elixirs pyridine derivate As effective components represented with general formula (1):[changing 1](1)(in formula, R1, R2 and R4 As are identical or different, indicate Hydrogen Yuan, Hydroxyalkyl bases or Shou Bao Nursing Hydroxyalkyl bases (wherein except the situation of R1, R2 and R4 whole As Hydrogen atoms), R3 Biao Shi Halogen elements atom, amido, carboxyl, amine first anilide, cyano, nitro, the alkyl of carbon Number As 1 to 6, the alkenyl of carbon Number As 2 to 6 or the alkoxy containing carbon Number As 1 to 6 carbonyl).本發明係關於一種放射線治療增強劑,其可與癌症放射線治療法併用而降低放射線量,亦可減輕副作用。該放射線治療增強劑以通式(1)所表示之吡啶衍生物為有效成分:【化1】(1)(式中,R1、R2以及R4為相同或不同,表示氫原子、羥基或受保護之羥基(其中R1、R2以及R4全部為氫原子之情形除外),R3表示鹵素原子、胺基、羧基、胺甲醯基、氰基、硝基、碳數為1至6之烷基、碳數為2至6之烯基或含有碳數為1至6之烷氧基之羰基)。
