ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/2C16H18N2O4S.C16H20N2O2/c2*1-16(2)12(15(21)22)18-13(20)11(14(18)23-16)17-10(19)8-9-6-4-3-5-7-9;19-15-7-3-1-5-13(15)11-17-9-10-18-12-14-6-2-4-8-16(14)20/h2*3-7,11-12,14H,8H2,1-2H3,(H,17,19)(H,21,22);1-8,17-20H,9-12H2/t2*11-,12+,14?;/m11./s1/file?format=sdf&get3d=True  -- InChI=1S/2C16H18N2O4S.C16H20N2O2/c2*1-16(2)12(15(21)22)18-13(20)11(14(18)23-16)17-10(19)8-9-6-4-3-5-7-9;19-15-7-3-1-5-13(15)11-17-9-10-18-12-14-6-2-4-8-16(14)20/h2*3-7,11-12,14H,8H2,1-2H3,(H,17,19)(H,21,22);1-8,17-20H,9-12H2/t2*11-,12+,14?;/m11./s1 could not be loaded.