ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2/f2Na.O3S/q2m;-2/file?format=sdf&get3d=True  -- InChI=1/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2/f2Na.O3S/q2m;-2 could not be loaded.