乙基 N-(2-乙氧基-2-氧代乙基)-N-(苯基甲基)-beta-丙氨酸酯

2-(benzylamino)-N-hydroxyacetamide

1-benzylpiperidine-2,5-dione

1-benzyl-2-sulfanylideneimidazolidin-4-one

1,4-dibenzylpiperazine-2,5-dione