摘要 |
The stable polymorphic form of torasemide, Modification I, is prepared from other, less stable torasemide forms, by forming a solution of the starting polymorphic form of torasemide in water and methanol, stirring for at least 20 hours and then phase separating the solid torasemide modification I from the liquid medium. |
申请人 |
TORCAN CHEMICAL LTD.;YEH, WEN-LUNG;KHUMTAVEEPORN, KANJAI;MCKENZIE, DAVID, JOHN |
发明人 |
YEH, WEN-LUNG;KHUMTAVEEPORN, KANJAI;MCKENZIE, DAVID, JOHN |