acid Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.06 3,4-Diaminobenzoic acid (CAS No. 619–05–6) (provided for in subheading 2922.49.30) Free No change No change On or before 12/31/2020 . 302. 3-Chloroanthranilic acid Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.07 Methyl 2-amino-3-chlorobenzoate (CAS No. 77820–58–7) (provided for in subheading 2922.49.30) Free No change No change On or before 12/31/2020 . 303. 11 Aminoundecanoic acid Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.08 11-Aminoundecanoic acid (CAS No. 2432–99–7) (provided for in subheading 2922.49.40) 2.5% No change No change On or before 12/31/2020 . 304. Other oxygen function: amino acids: other Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.09 Ethyl 3-amino-4,4,4-trifluorocrotonate (CAS No. 372–29–2) (provided for in subheading 2922.49.80) Free No change No change On or before 12/31/2020 . 305. Manganese disodium EDTA Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.10 Manganese(2+) sodium 2,2',2'',2'''-(1,2-ethanediyldinitrilo)tetraacetate (1:2:1) (Manganese disodium ethylenediaminetetraacetate) (CAS No. 15375–84–5) (provided for in subheading 2922.49.80) Free No change No change On or before 12/31/2020 . 306. Sarcosine, sodium salt Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.11 Sarcosine, sodium salt (sodium (methylamino)acetate) (CAS No. 4316–73–8) (provided for in subheading 2922.49.80) Free No change No change On or before 12/31/2020 . 307. Copper disodium EDTA Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.12 Copper(2+) sodium 2,2',2'',2'''-(1,2-ethanediyldinitrilo)tetraacetate (1:2:1) (CAS No. 14025–15–1)