(2S,5R)-2-benzyl-5-isopropyl-3,6-dimethoxy-2,5-dihydropyrazine

(S)-N-methoxycarbonylphenylalanine

正己胺

(S)-2-(3,5-Dinitro-4-oxo-4H-pyridin-1-yl)-3-phenyl-propionic acid

L-苯丙氨酰-L-亮氨酸