The subject item is called S-2399 Technical Fungicide. The Safety Data Sheet (SDS) that you provided indicates that the ingredients include 97.4% Inpyrfluxam, (CAS No. 1352994-67-2), and 2.6% impurities. Inpyrfluxam is also known as 3-(difluoromethyl)-1-methyl-N-[(3R)-1,1,3-trimethyl-2,3-dihydroinden-4-yl]pyrazole-4-carboxamide.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N313341