| abstract |
An amorphous compound of 2- (1-isopropoxycarbonyloxy-2-methylpropyl) -7,8-dimethoxy-4 (5H), 10-dioxo-2H-1,2,3-triazolo [4,5-c] [ 1] benzazepine that has no diffraction peaks in a powder X-ray diffraction pattern and a solubility of 15 to 20 μg / mL in a 1% by weight methylcellulose solution at 37 ° C. |