(1S,6R)-3-BOC-3,8-二氮杂双环[4.2.0]辛烷

(1S,6r)-8-boc-3,8-二氮杂双环[4.2.0]辛烷

tert-butyl (1S,6R)-8-(6-chloro-3-pyridinyl)-3,8-diazabicyclo[4.2.0]octane-3-carboxylate

(1S,6R)-3-(6-chloro-5-methyl-pyridin-3-yl)-3,8-diaza-bicyclo[4.2.0]octane-8-carboxylic acid tert-butyl ester

(1S,6R)-5-(3,8-diaza-bicyclo[4.2.0]oct-8-yl)-nicotinonitrile