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China’s NMPA granted conditional approval for a COVID-19 oral pill to treat adult patients with mild to moderate cases of the virus to a unit of Guangdong Zhongsheng Pharmaceutical Co. Ltd. RAY-1216 is a peptidomimetic inhibitor of SARS-CoV-2 main protease (Mpro), which is also known as a 3C-like protease (3CLpro).