ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C14H18N4O4/c15-5-11(8-1-2-12(19)13(20)3-8)18-7-17-6-9(18)4-10(16)14(21)22/h1-3,6-7,10-11,19-20H,4-5,15-16H2,(H,21,22)/t10-,11?/m0/s1/file?format=sdf&get3d=True -- InChI=1S/C14H18N4O4/c15-5-11(8-1-2-12(19)13(20)3-8)18-7-17-6-9(18)4-10(16)14(21)22/h1-3,6-7,10-11,19-20H,4-5,15-16H2,(H,21,22)/t10-,11?/m0/s1 could not be loaded.