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(4-Chloro-cyclohexyl)-carbamic acid tert-butyl ester

(4-Bromo-cyclohexyl)-carbamic acid tert-butyl ester

Toluene-4-sulfonic acid 4-tert-butoxycarbonylamino-cyclohexyl ester

(4-Mercapto-cyclohexyl)-carbamic acid tert-butyl ester

(1R,4r)-(4-methylamino-cyclohexyl)-carbamic acid tert-butyl ester

(2-Methylamino-cyclohexyl)-carbamic acid tert-butyl ester

(4-Ethylamino-cyclohexyl)-carbamic acid tert-butyl ester

(1R,4r)-(4-ethylamino-cyclohexyl)-carbamic acid tert-butyl ester

(2-Ethylamino-cyclohexyl)-carbamic acid tert-butyl ester

(4-Isopropylamino-cyclohexyl)-carbamic acid tert-butyl ester