Ladas & Parry LLP
Pyridazinyl amine derivatives, the use thereof in the preparation of picorna virus inhibitors
The present invention relates to substituted pyridazinylamine derivatives of the formula I or pharmaceutically acceptable salts or hydrates thereof, wherein the substituents are defined as in the description, their preparation process, pharmaceutical compositions comprising them, and uses of the said compounds as picorna virus inhibitors for prevention and/or treatment of diseases caused by picorna viruses.
Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China
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Xinbo Zhibing Zehui Chunlai Song Guoming
Zhou Zheng Gong Mi Li Zhao