∀ {C : Type u_1} {D : Type u_2} [inst : CategoryTheory.Category.{v_1, u_1} C]
  [inst_1 : CategoryTheory.Category.{v_2, u_2} D] (L : CategoryTheory.Functor C D)
  (W : CategoryTheory.MorphismProperty C) [inst_2 : CategoryTheory.MonoidalCategory C] [inst_3 : W.IsMonoidal]
  [inst_4 : L.IsLocalization W] {unit : D} (ε : L.obj (CategoryTheory.MonoidalCategoryStruct.tensorUnit C) ≅ unit)
  {X₁ X₂ X₃ Y₂ : CategoryTheory.LocalizedMonoidal L W ε} (f₂ : X₂ ⟶ Y₂) {Z : CategoryTheory.LocalizedMonoidal L W ε}
  (h : CategoryTheory.MonoidalCategoryStruct.tensorObj X₁ (CategoryTheory.MonoidalCategoryStruct.tensorObj Y₂ X₃) ⟶ Z),
  CategoryTheory.CategoryStruct.comp
      (CategoryTheory.MonoidalCategoryStruct.whiskerRight (CategoryTheory.MonoidalCategoryStruct.whiskerLeft X₁ f₂) X₃)
      (CategoryTheory.CategoryStruct.comp (CategoryTheory.MonoidalCategoryStruct.associator X₁ Y₂ X₃).hom h) =
    CategoryTheory.CategoryStruct.comp (CategoryTheory.MonoidalCategoryStruct.associator X₁ X₂ X₃).hom
      (CategoryTheory.CategoryStruct.comp
        (CategoryTheory.MonoidalCategoryStruct.whiskerLeft X₁
          (CategoryTheory.MonoidalCategoryStruct.whiskerRight f₂ X₃))
        h)