N-carboxy-anhydrides derived from threo- and erythro-beta-hydroxy-aspartic acids and poly-beta-methyl hydrogen threo-beta-methoxyl-DL-aspartate.
D000812:Anhydrides / Q000138:chemical synthesis*; D001224:Aspartic Acid; D008745:Methylation
D000812:Anhydrides; D001224:Aspartic Acid