for the following products
(3R,4R)-1-Benzyl-3-(methylamino)-4-methylpiperidine dihydrochloride | (3R,4R)-1-Benzyl-N,4-dimethyl piperdine-3-amine dihydrochloride | Tofacitinib intermediate 4 and cis-N-Benzyl-3-methylamino-4-methylpiperidine dihydrochloride
