叔-бутил基 4-(2-(4-((метил磺酰)кислорода代)哌啶-1-基)-2-кислорода亚基этил)哌啶-1-муравьиная кислота基эфир
tert-butyl 4-[2-(4-methylsulfonyloxypiperidin-1-yl)-2-oxoethyl]piperidine-1-carboxylate
tert-butyl 4-[2-(4-methylsulfonyloxypiperidin-1-yl)-2-oxoethyl]piperidine-1-carboxylate 95%