hydrogen sulfate (Isavuconazonium Sulfate) (CAS No. 946075–13–4) (provided for in subnheading 2934.10.10) Free No change No change On or before 12/31/2020 . 596. 2-(1,3-Thiazol-5-yl)-2H-3,1-benzoxazine derivative Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.04 4-[(2-bromo-5-chlorophenyl)methyl]-7-chloro-2-(2-cyclopropyl-1,3-thiazol-5-yl)-5-fluoro-2H-3,1-benzoxazine (CAS No. 1855942–64–1) (provided for in subheading 2934.10.10) Free No change No change On or before 12/31/2020 . 597. 3,6-Dimethyl-6H-benzo-oxazino[3,4-a]indole Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.05 6-(2-Cyclopropylthiazol-5-yl)-1-fluoro-3,10-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6H-benzo[5,6][1,3]oxazino[3,4-a]indole (CAS No. 1620545–76–7) (provided for in subheading 2934.10.10) Free No change No change On or before 12/31/2020 . 598. Clothianidin Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.06 (E)-1-(2-Chloro-1,3-thiazol-5-ylmethyl)-3-methyl-2-nitroguanidine (Clothianidin) (CAS No. 210880–92–5) (provided for in subheading 2934.10.90) 6.2% No change No change On or before 12/31/2020 . 599. Thiamethoxam Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.07 Thiamethoxam (3-(2-chloro-5-thiazolylmethyl)tetrahydro-5-methyl-N-nitro-1,3,5-oxadiazin-4-imine) (CAS No. 153719–23–4) (provided for in subheading 2934.10.90) 2.7% No change No change On or before 12/31/2020 . 600. Ethaboxam Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.08 N-[Cyano(2-thienyl)methyl]-4-ethyl-2-(ethylamino)-1,3-thiazole-5-carboxamide (Ethaboxam) (CAS No. 162650–77–3) (provided for in subheading 2934.10.90) Free No change No change On or before 12/31/2020 . 601. Vulkacit merkapto/MG-C Subchapter II of chapter 99 is amended by inserting in numerical sequence