TFC51B: Tofacitinib (3R,4S)-Isomer

(3R,4S)-4-Methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-β-oxo-1-piperidinepropanenitrile ;

CAS # 1092578-46-5 ;

Mol. Wt.: 312.37 ;