ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1/2HI.Sr/h2*1H;/q;;+2/p-2/f2I.Sr/h2*1h;/q2*-1;m/file?format=sdf&get3d=True  -- InChI=1/2HI.Sr/h2*1H;/q;;+2/p-2/f2I.Sr/h2*1h;/q2*-1;m could not be loaded.