Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
Ledipasvir Keto Impurity-1 can be obtained from (S)-5-(tert-Butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic Acid (CAS 1129634-44-1) which can be also be used as reactant or reagent in synthetic preparation for thrombin inhibitors.