The Guardian council just announced names of the approved candidates:

• Mohammad Bager Qalibaf (Conservative)

• Ali Larijani (Conservative)

• Mahmoud Ahmadi Nejad (Fundamentalist)

• Mohsen Rezai (Conservative)

• Mehdi Karrubi (Conservative)

• Akbar Hashemi Rafsanjani (Conservative)

So among the significant candidates they've disapproved Mostafa Moin (Reformist) and Ebrahim Yazdi (Nationalist.)