5-[(tert-butoxycarbonyl)amino]pentanoic acid InChI=1/C10H19NO4/c1-10(2,3)15-9(14)11-7-5-4-6-8(12)13/h4-7H2,1-3H3,(H,11,14)(H,12,13 PENTANOIC ACID,5-AMINO,(N-TERT.BUTYLOXYCARBONYL) pentanoic acid, 5-[[(1,1-dimethylethoxy)carbonyl]amino]-