Showing structure for (2r,3s,4s)-2-(2-hydroxy-3,3,5,5-tetramethyl-4,6-dioxocyclohex-1-en-1-yl)-3-isopropyl-6,6,8,8-tetramethyl-4-(2-methylpropyl)-3,4-dihydro-2h-1-benzopyran-5,7-dione