英文别名Tofacitinib Impurity 77; Methyl (4-methyl-3-piperidinyl)carbamate; Carbamic acid, N-(4-methyl-3-piperidinyl)-, methyl ester; Methyl (4-Methyl-3-piperidyl)carbamate; Methyl ((3R,4R)-rel-4-methylpiperidin-3-yl)carbamate; cis-methyl N-4-methylpiperidin-3-ylcarbamate; Carbamic acid, [(3R,4R)-4-methyl-3-piperidinyl]-, methyl ester, rel-; methyl 4-methylpiperidin-3-ylcarbamate; Methyl(4-methylpiperidin-3-yl)carbamate; methyl-(4-methylpiperidin-3-yl)carbamate; Methyl N-(4-methyl-3-piperidinyl)carbamate; Tofacitinib Related Impurity 4; Tofacitinib intermediate V; Tofacitinib Impurity 138 
