ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC%28C%29%28%5BC%40%40H%5D1%5BC%40%40H%5D%28c2c%28ccc3c2oc%28%3DO%29cc3%29O1%29O%29O%5BC%40H%5D4%5BC%40%40H%5D%28%5BC%40H%5D%28%5BC%40%40H%5D%28%5BC%40H%5D%28O4%29CO%29O%29O%29O/file?format=sdf&get3d=True -- CC%28C%29%28%5BC%40%40H%5D1%5BC%40%40H%5D%28c2c%28ccc3c2oc%28%3DO%29cc3%29O1%29O%29O%5BC%40H%5D4%5BC%40%40H%5D%28%5BC%40H%5D%28%5BC%40%40H%5D%28%5BC%40H%5D%28O4%29CO%29O%29O%29O could not be loaded.