ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C6H13NO3S.Na/c8-11(9,10)7-6-4-2-1-3-5-6/file?format=sdf&get3d=True -- InChI=1S/C6H13NO3S.Na/c8-11(9,10)7-6-4-2-1-3-5-6 could not be loaded.