ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H18N2O6S2/c1-10(23)28-14-5-6-27-9-12-8-20-17(25)21-15-11(3-2-4-13(15)24)7-19(21,29-30-20)18(26)22(20)16(12)14/h2-6,9,13-16,24H,7-8H2,1H3/t13-,14-,15-,16-,19?,20?/m0/s1/file?format=sdf&get3d=True -- InChI=1S/C20H18N2O6S2/c1-10(23)28-14-5-6-27-9-12-8-20-17(25)21-15-11(3-2-4-13(15)24)7-19(21,29-30-20)18(26)22(20)16(12)14/h2-6,9,13-16,24H,7-8H2,1H3/t13-,14-,15-,16-,19?,20?/m0/s1 could not be loaded.