{F : Type u_5} →
  (R : Type u_6) →
    (S : Type u_7) →
      [inst : FunLike F R S] →
        [inst_1 : DivisionRing R] →
          [inst_2 : NormedDivisionRing S] →
            [NonUnitalRingHomClass F R S] → (f : F) → Function.Injective ⇑f → NormedDivisionRing R