Filgotinib一种高效、选择性的JAK1抑制剂,能够有效抑制JAK1、JAK2、JAK3和TYK2的活性,IC50值分别为10nM、28nM、810nM和116nM。Filgotinib is a potent and selective JAK1 inhibitor. It is considered a promising agent as it inhibits JAK1 selectively. Filgotinib displayed a selectivity of 30-fold fo