(2011/07/30)
(1S,3R)-benzyl 3-acetamido-2,2-dimethylcyclobutanecarboxylate
(1S,3R)-benzyl 3-acetyl-2,2-dimethylcyclobutanecarboxylate
(1S,3R)-(+)-3-(2-Acetamido)-2,2-dimethylcyclobutanecarboxylic acid
{(S)-1-[N'-((2S,3S)-3-amino-2-hydroxy-4-phenyl-butyl)-N'-(4-pyridin-2-yl-benzyl)-hydrazinocarbonyl]-2,2-dimethyl-propyl}-carbamic acid methyl ester
(1S,3R)-3-[(tert-butoxycarbonyl)amino]-2,2-dimethylcyclobutane-1-carboxylic acid