N-ALPHA-T-BUTOXYCARBONYL-15N-L-GLYCINE;N-(TERT-BUTOXYCARBONYL)GLYCINE-15N;BOC-[15N]GLYCINE;BOC-[15N]GLY-OH;N-(TERT-BUTOXYCARBONYL)GLYCINE-15N, 99 A TOM % 15N;boc-gly-oh-15n;N-(tert-Butoxycarbonyl)glycine-15N, Glycine-15N, N-t-Boc derivative;Boc-Gly-OH-15NN-(tert-Butoxycarbonyl)glycine-15NGlycine-15NN-t-Boc derivative