ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/2K.H2NO7S2/c;;2-1(9(3,4)5)10(6,7)8/h;;(H,3,4,5)(H,6,7,8)/q2* 1;/p-2/file?format=sdf&get3d=True -- InChI=1S/2K.H2NO7S2/c;;2-1(9(3,4)5)10(6,7)8/h;;(H,3,4,5)(H,6,7,8)/q2* 1;/p-2 could not be loaded.