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US 7,002,009 B2Granted
Crystalline tricyclic triazolobenzazepine derivative
AssigneeMeiji Seika Kaisha, Ltd.
InventorsShin-Ichi Kitahara, Hanae Furukawa, Toshihiro Yamaguchi, Sachiko Miyamoto, Yumiko Okada
Life of this patent
Estimating the term…
Abstract
Disclosed are novel crystalline 2-(1-isopropoxycarbonyloxy-2-methylpropyl)-7,8-dimethoxy-4(5H),10-dioxo-2H-1,2,3-triazolo[4,5-c][1]benzazepine and a pharmaceutical composition comprising the same.
Claims3
Crystalline compound of 2-(1-isopropoxycarbonyloxy-2-methylpropyl)-7,8-dimethoxy-4(5H)10-dioxo-2H-1,2,3-triazolo[4,5-c][1]benzazepine which has diffraction peaks at diffraction angles (2θ):
- 11.2±0.1°, 14.4±0.1°, 15.5±0.1°, and 25.3±0.1° in a powder X-ray diffraction pattern.
Dependencies are inferred from the claim text.