for the following products
1-[(1,1-Dimethylethoxy)carbonyl]-4-piperidinebutanoic acid | 4-(1-Boc-piperidin-4-yl)-butanoic acid | 4-(1-Boc-piperidine-4-yl)-butanoic acid | Boc-Cpp-OH | N-Boc-4-Piperidin-4-yl-butyric acid and 4-(1-(tert-Butoxycarbonyl)piperidin-4-yl)butanoic acid
