顺1,3-二苄基咪唑-2-酮-4,5-二羧酸

(R,Z)-5-oxo-3,4,5,6,7,8-hexahydro-2H-1,4-thiazecine-3-carbaldehyde

(Z)-N-benzyl-1-((R,Z)-5-oxo-3,4,5,6,7,8-hexahydro-2H-1,4-thiazecin-3-yl)methanimine oxide

methyl (R,Z)-5-oxo-3,4,5,6,7,8-hexahydro-2H-1,4-thiazecine-3-carboxylate

(4S,5R)-1,3-dibenzyl-5-(hydroxymethyl)-2-oxoimidazolidine-4-carboxylic acid