Propertie  Compound Inhibition of JAKs IC50 (nM) Structure Pharmacophore
JAK1 JAK2 JAK3 TYK2
Tasocitinib 3.3 2.8 19 428 pyrrolopyrimidine
Ruxolitinib 3.2 4.1 1.6 19 pyrrolopyrimidine
Baricitinib 59 57 pyrrolopyrimidine
Table 2: Comparison of Tasocitinib, Ruxolitinib, Baricitinib.