ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C19H28N4O4/c1-4-12(2)17(19(27)21-11-16(20)25)23-18(26)15(22-13(3)24)10-14-8-6-5-7-9-14/h5-9,12,15,17H,4,10-11H2,1-3H3,(H2,20,25)(H,21,27)(H,22,24)(H,23,26)/t12?,15-,17-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C19H28N4O4/c1-4-12(2)17(19(27)21-11-16(20)25)23-18(26)15(22-13(3)24)10-14-8-6-5-7-9-14/h5-9,12,15,17H,4,10-11H2,1-3H3,(H2,20,25)(H,21,27)(H,22,24)(H,23,26)/t12?,15-,17-/m0/s1 could not be loaded.