p. 1265 - 1270
(2012/09/25)(2009/07/25)
(2008/06/13)
7-oxa-5-aza-spiro[3.4]octane-6,8-dione
benzyl alcohol
1-[(tert-butoxycarbonyl)amino]cyclobutanecarboxylic acid
benzyl bromide
benzyl 1-(tert-butoxycarbonylamino)cyclobutanecarboxylate
4-[(S)-2-({5-[(1-benzyloxycarbonylcyclobutyl)carbamoylmethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}amino)-4-tert-butoxycarbonylbutyryl]piperazine-1-carboxylic acid ethyl ester
benzyl 1-((((3R)-1-aza-6-(2,3-dihydro-2,2,4,6,7-pentamethyl-2H-1-benzofuran-5-yl)sulfonyl)guanidino)-3-(9H-9-fluorenylmethoxycarbonylamido)-2-oxohexanyl)cyclobutanecarboxylate