p. 4288 - 4296
(2007/10/02)trans-1-(benzoylamino)-3-<2-(dimethoxyphosphoryl)acetyl>cyclobutane-1-N,N-pentamethylenecarboxamide
trans-1-(benzoylamino)-1-(pentamethylenecarbamoyl)cyclobutane-3-carboxylate
trans-methyl 1-(benzoylamino)-1-(pentamethylenecarbamoyl)cyclobutane-3-carboxylate
cis-1-(benzoylamino)-3-(phenylsulfonyl)cyclobutane-1-N,N-pentamethylenecarboxamide
N,N-Pentamethylene-cis-3-(phenylsulfonyl)-1-triazenocyclobutane-1-carboxamide