(EN) ABSTRACT NOVEL CRYSTAL OF (3S)-3-[2-(6-AMINO-2-FLUOROPYRIDIN-3-YL)-4-FLUORO-1H-IMIDAZOL-5-YL]-7-[5-CHLORO-2-(1H-TETRAZOL-1-YL)PHENYL]-2,3-DIHYDROINDOLIZIN-5(1H)-ONE Provided is a novel crystal form of (3S)-3-[2-(6-amino-2-fluoropyridin-3-yl)-4-fluoro-1H-imidazol-5-yl]-7-[5-chloro-2-(1H-tetrazol-1-yl)phenyl]-2,3-dihydroindolizin-5(1H)-one. Provided is (3S)-3-[2-(6-amino-2-fluoropyridin-3-yl)-4-fluoro-1H-imidazol-5-yl]-7-[5-chloro-2-(1H-tetrazol-1-yl)phenyl]-2,3-dihydroindolizin-5(1H)-one-3-hydroxybenzoic acid (1/1).