p. 369 - 374
(2007/10/03)(E)-(8S,11S,17R)-17-(3-Chloro-4-methoxy-benzyl)-8-isobutyl-11-((E)-(R)-1-methyl-3-phenyl-allyl)-7,10-dioxa-16,19-diaza-spiro[4.15]icos-13-ene-6,9,15,18-tetraone
1-(tert-butoxycarbonylamino-methyl)-cyclopentanecarboxylic acid 1-allyloxycarbonyl-3-methyl-butyl ester
1-(tert-butoxycarbonylamino-methyl)-cyclopentanecarboxylic acid 1-carboxy-3-methyl-butyl ester
tert-butyl {[1-(hydroxymethyl)cyclopentyl]methyl}carbamate
1-(<<(tert-butoxy)carbonyl>amino>methyl)cyclopentane-1-carboxylic acid