ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H19N2O3.CH4O4S/c1-3-25-19-11-12-20-16(14-19)8-10-17(21(20)2)9-7-15-5-4-6-18(13-15)22(23)24;1-5-6(2,3)4/h4-14H,3H2,1-2H3;1H3,(H,2,3,4)/q+1;/p-1/b9-7+;/file?format=sdf&get3d=True -- InChI=1S/C20H19N2O3.CH4O4S/c1-3-25-19-11-12-20-16(14-19)8-10-17(21(20)2)9-7-15-5-4-6-18(13-15)22(23)24;1-5-6(2,3)4/h4-14H,3H2,1-2H3;1H3,(H,2,3,4)/q+1;/p-1/b9-7+; could not be loaded.