for the following products
Fmoc-beta-HoSer(tBu)-OH | Fmoc-L-beta-Homoserine(otbu) | Fmoc-L-beta-HSer(tBu)-OH | Fmoc-O-tert-Butyl-L-beta-homoserine | N-beta-(9-Fluorenylmethyloxycarbonyl)-O-tert-butyl-L-homoserine and (3R)-4-(1,1-Dimethylethoxy)-3-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-butanoic acid