2-[[(2S)-3-[(2-methylpropan-2-yl)oxy]-2-(phenylmethoxycarbonylamino)propanoyl]amino]acetic acid

3-aminoimidazolidine-2,4-dione

2-[(2-hydroxyphenyl)methylamino]acetic acid

3-丙-2-烯基-2-巯基咪唑烷-4-酮

N,N'-(1,4-亚苯基二羰基)二甘氨酸