An Improved and Efficient Process for the Preparation of Tofacitinib Citrate
Patil, Yogesh S.;
Bonde, Nilesh L.;
Kekan, Ankush S.;
Sathe, Dhananjay G.;
Das, Arijit,
Organic Process Research & Development,
2014,
18(12),
1714-1720