ERROR opening https://cactus.nci.nih.gov/chemical/structure/Cc3ccccc3OP%28%3DO%29%28Oc1ccccc1C%29Oc2ccccc2C/file?format=sdf&get3d=True  -- Cc3ccccc3OP%28%3DO%29%28Oc1ccccc1C%29Oc2ccccc2C could not be loaded.