達(dá)那肽是修飾的二肽，是第二代口服生物相容性的間隙連接調(diào)節(jié)劑。
(2S,4S)-1-Benzyl 2-methyl 4-hydroxypyrrolidine-1,2-dicarboxylate
(2S,4R)-1-tert-Butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate
(2S,4R)-1-Benzyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate
