The title compound. C23H30O9. has an approximate T-shape with the tert-butyl ester groups lying either side of the benzene ring. The acetyl group is almost perpendicular to the benzene ring to which it is connected [C—C—O—C torsion angle = −106. https://safeersappliancers.shop/product-category/samsung-rr39m7340b1-eu-tall-fridge-black/