选择性p53(R175)突变激活剂;Selective p53(R175) mutant reactivator;NSC319726是突变型p53R175再活化剂,能抑制表达p53R175的成纤维细胞增殖,IC50值为8nM,对野生型p53细胞无抑制作用。;NSC319726 is a p53(R175) mutant reactivator, exhibits growth inhibition in cells expressing mutant p53, with IC50 of 8 nM for p53(R175) mutant, shows no inhibition for p53 wild-type cells.