Robuta

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C20H17Cl5O4/c1-2-3-4-5-9-28-19(26)11-7-6-8-12(10-11)20(27)29-18-16(24)14(22)13(21)15(23)17(18)25/h6-8%2C10H%2C2-5%2C9H2%2C1H3 Isophthalic acid, hexyl pentachlorophenyl ester isophthalic acidhexylester