英文名称
tert-butyl N-[(3S,7R,8R,8aS)-7-benzamido-3-ethyl-1,4-dioxo-2,3,6,7,8,8a-hexahydropyrrolo[1,2-a]pyrazin-8-yl]carbamate;methyl (2S,3R,4R)-4-benzamido-3-[(2-methylpropan-2-yl)oxycarbonylamino]-1-[(2S)-2-(phenylmethoxycarbonylamino)butanoyl]pyrrolidine-2-carboxylate