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Carbamic acid, [(1R,3S)-3-hydroxycyclopentyl]-, 1,1-dimethylethyl ester (9CI) tert-Butyl 3,6-diazabicyclo[3.1.1]heptane-6-carboxylate Carbamic acid, [(1S,3R)-3-hydroxycyclopentyl]-, 1,1-dimethylethyl ester (9CI) N-BOC-3A,4,7,7A-TETRAHYDROISOINDOLE tert-butyl 4-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate 1-Piperidinecarboxylic acid, 3-hydroxy-3-methyl-, 1,1-dimethylethyl ester 4-Acetyl-piperidine-1-carboxylic acid tert-butyl ester tert-Butyl carbazate N-BOC-3-METHYLENE-PIPERIDINE