p. 4910 - 4914
(2007/10/03)cyclohexanedione monoethylene ketal
8-(4-chloro-phenyl)-1,3-diaza-spiro[4.5]decane-2,4-dione
4-(4-chlorophenyl)cyclohex-3-enone monoehtylene ketal
8-(4-chloro-phenyl)-2,4-dioxo-1,3-diaza-spiro[4.5]decane-1,3-dicarboxylic acid di-tert-butyl ester
8-(4-chlorophenyl)-1,4-dioxaspiro[4.5]decan-8-ol