ERROR opening https://cactus.nci.nih.gov/chemical/structure/C%5BN%2B%5D%28C%29%28C%29CCOP%28%3DO%29%28%5BO-%5D%29OP%28%3DO%29%28O%29OC%5BC%40%40H%5D1%5BC%40H%5D%28%5BC%40H%5D%28%5BC%40%40H%5D%28O1%29N2C%3DCC%28%3DNC2%3DO%29N%29O%29O/file?format=sdf&get3d=True -- C%5BN%2B%5D%28C%29%28C%29CCOP%28%3DO%29%28%5BO-%5D%29OP%28%3DO%29%28O%29OC%5BC%40%40H%5D1%5BC%40H%5D%28%5BC%40H%5D%28%5BC%40%40H%5D%28O1%29N2C%3DCC%28%3DNC2%3DO%29N%29O%29O could not be loaded.