ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2* 1;/p-2/file?format=sdf&get3d=True -- InChI=1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2* 1;/p-2 could not be loaded.