ERROR opening https://cactus.nci.nih.gov/chemical/structure/c12c%28cc%28c3cc%28OC%29c%28cc3%29OC%29oc2cc%28O%29c%28c1O%29OC%29%3DO/file?format=sdf&get3d=True -- c12c%28cc%28c3cc%28OC%29c%28cc3%29OC%29oc2cc%28O%29c%28c1O%29OC%29%3DO could not be loaded.