cis-1,3-Dibenzyltetrahydro-2H-thieno[3,4-d]imidazole-2,4,6-trione

顺1,3-二苄基咪唑-2-酮-4,5-二羧酸

(3aR,6S,6aS)-1,3-dibenzyl-6-hydroxy-3,3a,6,6a-tetrahydro-1H-furo(3,4-d)imidazole-2,4-dione

1,3-dibenzyl-6-hydroxy-tetrahydro-furo[3,4-d]imidazole-2,4-dione

cis-1,3-dibenzyl-hexahydro-1H-furo[3,4-d]imidazole-2,4-dione