numerical sequence the following new heading: 9902.21.87 Tert-butyl N-[6-[[(Z)-[(1-methyltetrazol-5-yl)-phenylmethylidene]amino]oxymethyl]pyridin-2-yl]carbamate (CAS No. 500207–04–5) (provided for in subheading 2933.39.61) Free No change No change On or before 12/31/2024 . 4381. 5-Amino-3-(trifluromethyl) picolino­nitrile (T3630) Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.21.88 5-Amino-3-(trifluoromethyl)pyridine-2-carbonitrile (T3630) (CAS No. 573762–62–6) (provided for in subheading 2933.39.61) 3.5% No change No change On or before 12/31/2024 . 4382. Dextromethorphan hydrobromide Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.21.89 Dextromethorphan hydrobromide (monohydrate (CAS No. 6700–34–1) or anhydrous (CAS No. 125–69–9)) (provided for in subheading 2933.49.26) Free No change No change On or before 12/31/2024 . 4383. Ipflufenoquin Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.21.90 2-[2-(7,8-Difluoro-2-methylquinolin-3-yl)oxy-6-fluorophenyl]propan-2-ol (CAS No. 1314008–27–9) (provided for in subheading 2933.49.30) Free No change No change On or before 12/31/2024 . 4384. THQ Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.21.91 1,2,3,4-Tetrahydroquinoline (CAS No. 635–46–1) (provided for in subheading 2933.49.70) Free No change No change On or before 12/31/2024 . 4385. Pyrithiobac sodium Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.21.92 Sodium 2-chloro-6-(4,6-dimethoxypyrimidin-2-yl)sulfanylbenzoate (CAS No. 123343–16–8) (provided for in subheading 2933.59.10) Free No change No change On or before 12/31/2024 . 4386. Larotrectinib sulfate Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.21.93