Warner Bros. Discovery, Inc.
Crystal form of 1H-imidazo[4,5-b]pyridine-2(3H)-one compound and preparation process therefor

Abstract:

Disclosed are a crystal form of 1H-imidazo[4,5-b]pyridine-2(3H)-one compound and a preparation process therefor, and use of the crystal form in the manufacture of a medicament for treating a disease associated with PDE4 receptor. ##STR00001##