Supplier: Amino acids, boc-l-norvaline, cbz-l-norvaline, fmoc-l-norvaline, n-acetyl-l-norvaline, n-acetyl-dl-norvaline, l-norvaline, d-norvaline, dl-norvaline l-norleucine, d-norleucine, dl-norleucine, l-propargylglycine, d-propargylglycine, boc-l-propargylglycine, boc-d-propargylglycine, h-abu-oh (l-2-aminobutyric acid), h-d-abu-oh (d-2-aminobutyric acid), h-dl-abu-oh (dl-2-aminobutyric acid)