Foreign Minister Mohammad Javad Zarif said on Monday that clinching a good deal with six world powers is more important than meeting deadline.
Upon his arrival in Luxemburg, he said there are some technical and political differences which should be resolved within remaining time, he said.
'We will do our best to finalize the deal at the earliest,' he said.
To pave the way for clinching the final deal, all sides should avoid avarice policies or excessive demands beyond international norms, he said.
In the upcoming talks, all parties are to review latest developments in nuclear talks as well as current crisis in Yemen, Syria and spread of extremism in the region, Zarif said.
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