for the following products
Fmoc-Dap(ivDde)-OH | Fmoc-L-Dap(ivDde)-OH | N-alpha-(9-Fluorenylmethyloxycarbonyl)-N-beta-[1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)-3-methylbutyl]-L-2,3-diaminopropionic acid and Fmoc-3-[[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)-3-methylbutyl]amino]-L-alanine