in numerical sequence the following new heading: 9902.21.66 1,2-Dimethylimidazole (CAS No. 1739–84–0) (provided for in subheading 2933.29.90) Free No change No change On or before 12/31/2025 . 11241. 2-Methylimidazole flakes Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.21.67 2-Methyl-1H-imidazole (CAS No. 693–98–1) (provided for in subheading 2933.29.90) Free No change No change On or before 12/31/2025 . 11242. Diazolidinyl urea Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.21.68 1-[1,3-Bis(hydroxymethyl)-2,5-dioxoimidazolidin-4-yl]-1,3-bis(hydroxymethyl)urea (CAS No. 78491–02–8) (provided for in subheading 2933.29.90) Free No change No change On or before 12/31/2025 . 11243. 1-(2-Aminoethyl)imidazolidin-2-one (AEEU) Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.21.69 1-(2-Aminoethyl)imidazolidin-2-one (CAS No. 6281–42–1) (provided for in subheading 2933.29.90) Free No change No change On or before 12/31/2025 . 11244. Zinc pyrithione Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.21.70 Zinc