ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C4H7O5P/c5-3(4(6)7)1-2-10(8)9/h8,10H,1-2H2,(H,6,7)/file?format=sdf&get3d=True -- InChI=1S/C4H7O5P/c5-3(4(6)7)1-2-10(8)9/h8,10H,1-2H2,(H,6,7) could not be loaded.