1131604-85-7

Tofacitinib Impurity 259 ethyl 5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carboxylate Ethyl 5-bromo-2H-pyrazolo[3,4-b]pyridine-3-carboxylate 5-bromo-1H-Pyrazolo[3,4-b]pyridine-3-carboxylic acid ethyl ester 1H-Pyrazolo[3,4-b]pyridine-3-carboxylicacid, 5-bromo-, ethyl ester Hydroxyethyl Salicylate Impurity 2 (Hydroxyethyl Salicylate EP Impurity B)(Ethylene Glycol)