PHARMACEUTICAL COMPOSITIONS AND METHODS FOR PRODUCING LOW IMPURITY CONCENTRATIONS OF THE SAME

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专利权人:

Min Ding;Kornepati Ramakrishna;Rajeshwar Motheram;Gopal Krishna;Keith Flood

发明人:

Rajeshwar Motheram,Gopal Krishna,Min Ding,Keith Flood,Kornepati Ramakrishna

申请号：

US13600056

公开号：

US20120322835A1

申请日:

2012.08.30

申请国别(地区):

US

年份:

2012

代理人:

摘要：

A composition having clevidipine as an active ingredient is described. The composition includes clevidipine as an active ingredient and an amount of the impurity H168/79 that is no greater than about 1.5%, or where the ratio between clevidipine and H168/79 is equal or above 60 to 1.

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