ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C17H20N4O6/c1-6-11(18)14(24)10-8(5-27-16(19)25)17(26-3)15-9(21(15)7(2)22)4-20(17)12(10)13(6)23/h8-9,15H,4-5,18H2,1-3H3,(H2,19,25)/t8-,9?,15?,17-,21?/m1/s1/file?format=sdf&get3d=True -- InChI=1S/C17H20N4O6/c1-6-11(18)14(24)10-8(5-27-16(19)25)17(26-3)15-9(21(15)7(2)22)4-20(17)12(10)13(6)23/h8-9,15H,4-5,18H2,1-3H3,(H2,19,25)/t8-,9?,15?,17-,21?/m1/s1 could not be loaded.