上游原料
1-Hydroxydihydro-1H-pyrrole-2,5-dione; N-Hydroxysuccinimide; 1-Hydroxy-2,5-pyrrolidinedione(2S)-2-(Acetamido)-4-(methylsulfanyl)butyric acid1-[(Chlorocarbonyl)oxy]ethane;ethyl carbonochloridate; Carbonchloridic acid ethyl ester;Ethyl chloroformate;Ethyl chlorocarbonateN-Acetyl-L-methionine ethoxycarbonyl anhydride4-(2-aminoethyl)-2-[(ethoxycarbonyl)oxy]phenyl ethyl carbonateN-[(1S)-1-[[(2,5-Dioxo-1-pyrrolidinyl)oxy]carbonyl]-3-(methylsulfanyl)propyl]acetamide4-(2-Aminoethyl)-1,2-benzenediol(2S)-2-(Acetamido)-N-(3,4-dihydroxyphenethyl)-4-(methylsulfanyl)butanamidep-xylene