Tofacitinib Impurity 34

Chemical Name: 6-chloro-1H-imidazo[4,5-b]pyrazine

Smiles: ClC1=CN=C2C(NC=N2)=N1

Inchi: InChI=1S/C6H6ClN3/c7-5-4-1-2-8-6(4)10-3-9-5/h3H,1-2H2,(H,8,9,10)