p. 608 - 619
(2011/12/04)methyl 7-benzyl-3,6-dioxo-2-phenyl-1,2,3,6,7,8-hexahydropyrazolo<3,4-c>azepine-4-carboxylate
dimethyl 1-benzyl-6-(pyrrolidin-1'-yl)-2-oxo-2,7-dihydro-1H-azepine-4,5-dicarboxylate
1-benzyl-4-hydroxy-3-(1'-benzyl-5'-oxo-3'-pyrrolin-3'-yl)-3-pyrrolin-2-one
dimethyl 1-benzyl-6-hydroxy-2-oxo-2,3,4,7-tetrahydro-1H-azepine-4,5-dicarboxylate
dimethyl 1-benzyl-6-methoxy-2-oxo-2,7-dihydro-1H-azepine-4,5-dicarboxylate