10466-65-6 NSC339905 Perrhenic acid (HReO4), potassium salt Potassium perrhenate Potassium perrhenate (KReO4) Potassium perrhenate, KReO4 Potassium rhenium oxide (KReO4) Rhenate (ReO41-), potassium, (T-4)- WLN: KA RE-O4