ERROR opening https://cactus.nci.nih.gov/chemical/structure/Brc2cc%28ccc2OCCCOc1ccc%28C%28%3D%5BN%40H%5D%29N%29cc1Br%29C%28%3D%5BN%40H%5D%29N/file?format=sdf&get3d=True -- Brc2cc%28ccc2OCCCOc1ccc%28C%28%3D%5BN%40H%5D%29N%29cc1Br%29C%28%3D%5BN%40H%5D%29N could not be loaded.