p. 7496 - 7501
(2011)indole
4-(bromo-methoxycarbonyl-methyl)-piperidine-1-carboxylic acid tert-butyl ester
cyclohexanedione monoethylene ketal
tert-butyl 4-(1-azido-2-methoxy-2-oxoethyl)piperidine-1-carboxylate
2-amino-2-(1-tert-butoxycarbonyl-piperidin-4-yl)-acetamide