Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic Acid-13C4 Ethyl Ester is an isotope labelled derivative in the synthesis of Flucloxacillin (F419200), a new semisynthetic penicillin with broad spectrum of antibacterial activity.
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