(1R,18R,20R,24S,27S)-N-{(1R,2S)-1-[(cyclopropylsulfonyl)carbamoyl]-2-vinylcyclopropyl}-7-methoxy-24-(2-methyl-2-propanyl)-22,25-dioxo-2,21-dioxa-4,11,23,26-tetraazapentacyclo [24.2.1. 03,12 .0 5,10 .0 18,20 ] nonacosa-3,5,7,9,11-pentaene-27-carboxamide (Grazoprevir) (CAS No. 1350514–68–9) (provided in subheading 2935.90.48) 4.1% No change No change On or before 12/31/2020 . 648. Cyprosulfamide Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.56 N-{[4-(Cyclopropylcarbamoyl)phenyl]sulfonyl}-2-methoxybenzamide (Cyprosulfamide) (CAS No. 221667–31–8) (provided for in subheading 2935.90.75) 5.1% No change No change On or before 12/31/2020 . 649. Triasulfuron Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.57 2-(2-Chloroethoxy)-N-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl) carbamoyl] benzenesulfonamide (Triasulfuron) (CAS No. 82097–50–5) (provided for in subheading 2935.90.75) 2.0% No change No change On or before 12/31/2020 . 650. Trifloxysulfuron Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.58 Sodium 4,6-dimethoxy-2-[({[3-(2,2,2-trifluoroethoxy)pyridin-2-yl]sulfonyl}carbamoyl)imino]-2H-pyrimidin-1-ide (Trifloxysulfuron-sodium) (CAS No. 199119–58–9) (provided for in subheading 2935.90.75) 4.9% No change No change On or before 12/31/2020 . 651. Para-toluen sulphonyl hydrazide Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.59 Toluene-4-sulfonohydrazide (CAS No. 1576–35–8) (provided for in subheading 2935.90.75) Free No change No change On or before 12/31/2020 . 652. Sulfentrazone Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.60 N-{2,4-Dichloro-5- [4-(difluoromethyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl] phenyl}methanesulfonamide (Sulfentrazone) (CAS No. 122836–35–5) (provided for in subheading 2935.90.75)