| abstract |
PROBLEM TO BE SOLVED: To provide an amorphous form of N- {2-chloro-4 having excellent thermodynamic and physical stability and superior solubility, pharmacological activity and absorbability in the body of the crystalline form. -[(6,7-dimethoxy-4-quinazolinyl) oxy] phenyl} -N'-propylurea compound. According to the present invention, an amorphous N- {2-chloro-4-[(6,7-dimethoxy-4-quinazolinyl) oxy] phenyl} -N'-propylurea compound is provided. Is done. [Selection figure] None |