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(2007/10/02)[(R)-1-(1-Benzenesulfonyl-cyclopentyl)-2-(tetrahydro-pyran-2-yloxy)-ethyl]-carbamic acid tert-butyl ester
(2R)-2-t-butoxycarbonylamino-3-phenylsulfonyl-1-(2-tetrahydropyranyloxy)propane
((S)-1-Cyclopentyl-2-hydroxy-ethyl)-carbamic acid tert-butyl ester
N-(tert-butyloxycarbonyl) azide
(S)-2-amino-2-cyclopentylacetic acid