追加説明:
(6S)-5-Azaspiro[2.4]heptane-5,6-dicarboxylic acid 5-(1,1-dimethylethyl) ester potassium salt (CAS 1441673-92-2) is a pharmaceutical-grade intermediate used in the synthesis of Ledipasvir, offered by Hangzhou Celor Chemical Co., Ltd., which does not manufacture it directly. It is sold across North America, Central/South America, Western Europe, Eastern Europe, and Asia.
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