p. 9275 - 9295
(2014/01/06)(2010/11/25)
1-pivaloyl-1'H-spiro[piperidine-4,4'-quinolin]-2'(3'H)-one
1-(2,2,2-trifluoroacetyl)-1'H-spiro[piperidine-4,4'-quinolin]-2'(3'H)-one
1'-(2,2,2-trifluoroacetyl)spiro[indene-1,4'-piperidin]-3(2H)-one
2,3-dihydro-3-oxo-spiro[1H-indene-1,4'-piperidine]-1'-carboxylic acid 1,1-dimethylethyl ester
Spiro(2-oxo-1,2,3,4-tetrahydroquinoline-4,4'-piperidine)