sequence the following new heading: 9902.02.67 2-tert-Amylanthraquinone (2-(2-methyl-2-butanyl)-9,10-anthraquinone) (CAS No. 32588–54–8) (provided for in subheading 2914.69.10) Free No change No change On or before 12/31/2020 . 167. Nitroanthraquinone Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.68 1-Nitroanthraquinone (1-nitroanthracene-9,10-dione) (CAS No. 82–34–8) (provided for in subheading 2914.79.40) Free No change No change On or before 12/31/2020 . 168. 1-(4-Chlorophenyl)-4,4-dimethylpentan-3-one Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.69 1-(4-Chlorophenyl)-4,4-dimethylpentan-3-one (Alkylketone) (CAS No. 66346–01–8) (provided for in subheading 2914.79.40) 3.5% No change No change On or before 12/31/2020 . 169. 1,5-Dichloro-9,10-anthraquinone Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.70 1,5-Dichloro-9,10-anthraquinone (CAS No. 82–46–2) (provided for in subheading 2914.79.40) Free No change No change On or before 12/31/2020 . 170. ETFBO Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.71 (3E)-4-Ethoxy-1,1,1-trifluorobut-3-en-2-one (CAS No. 59938–06–6) (provided for in subheading 2914.79.90) Free No change No change On or before 12/31/2020 . 171. 3'-Bromo-2,3,4,6'-tetramethoxy- Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.72 (3-Bromo-6-methoxy-2-methylphenyl)(2,3,4-trimethoxy-6-methylphenyl)methanone (Metrafenone) (CAS No. 220899–03–6) (provided for in subheading 2914.79.90) Free No change No change On or before 12/31/2020 . 172. Verdox Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.73 cis-2-tert-Butylcyclohexyl acetate (Argumex) (CAS No. 20298–69–5) (provided for in subheading 2915.39.45) Free No change No change On or before