(2015/11/09)
(2012/04/18)
p. 4837 - 4840
(2008/02/11)(2008/06/13)
ethyl 1-benzyl-4-hydroxypiperidine-4-carboxylate
1-tert-butyl 4-methyl 4-hydroxypiperidine-1,4-dicarboxylate
4-hydroxy-4-(methoxycarbonyl)-1-(phenylmethyl)piperidine
methyl 4-hydroxy-4-piperidinecarboxylate
4-hydroxypiperidine-4-carboxylic acid