6,6-Dimethyl-3-Azabicyclo[3.1.0]hexane-2,4-dione

6,6-Dimethyl-3-Azabicyclo[3.1.0]hexane-2,4-dione (CAS 194421-56-2) is a pharmaceutical-grade intermediate manufactured in-house by Hunan HuaTeng Pharmaceutical Co., Ltd., a global supplier of pharmaceutical intermediates and PEG derivatives that provides supporting technical documentation for R&D, evaluation, pilot, and commercial use. It serves as an intermediate in the synthesis of Paxlovid, the oral antiviral medication used to treat mild-to-moderate COVID-19 in high-risk patients. It is sold across North and South America, Western and Eastern Europe, Australasia, and Asia.