L-Alanine-13C3, 2,3,3,3-d4, N-t-Boc derivativeL-丙氨酸-13C3, 2,3,3,3-d4, N-叔丁氧羰基衍生物N-(tert-Butoxycarbonyl)-L-alanine-13C3,2,3,3,3-d4N-(tert-Butoxycarbonyl)-L-alanine-13C3,2,3,3,3-d4叔丁氧羰基-L-丙氨酸-13C3, 2,3,3,3-d4Boc-Ala-OH-13C3, 2,3,3,3-d4N-(-叔丁氧羰基)-L-丙氨酸-13C3,2,3,3,3-d4N-(-叔丁氧羰基)-L-丙氨酸-13C3,2,3,3,3-d4