ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C14H20N4O5/c1-6(22-2)7-3-18(13-9(7)12(15)16-5-17-13)14-11(21)10(20)8(4-19)23-14/h3,5-6,8,10-11,14,19-21H,4H2,1-2H3,(H2,15,16,17)/t6?,8-,10-,11-,14-/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C14H20N4O5/c1-6(22-2)7-3-18(13-9(7)12(15)16-5-17-13)14-11(21)10(20)8(4-19)23-14/h3,5-6,8,10-11,14,19-21H,4H2,1-2H3,(H2,15,16,17)/t6?,8-,10-,11-,14-/m1/s1 could not be loaded.