The title compound. C30H36N2O6. was prepared via twofold Suzuki coupling of a diboronic acid with bromonitrobenzene. The molecule is located on a crystallographic inversion centre. https://www.bekindtopets.com/mega-pick-Silbrade-Braid-Reinforced-Silicone-Tubing-1-4-ID-x-520-OD-x-1-hot-grab/