ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C16H18BrN5O8/c1-5(23)27-4-8-10(28-6(2)24)11(29-7(3)25)14(30-8)22-12-9(19-15(22)17)13(26)21-16(18)20-12/h8,10-11,14H,4H2,1-3H3,(H3,18,20,21,26)/file?format=sdf&get3d=True -- InChI=1S/C16H18BrN5O8/c1-5(23)27-4-8-10(28-6(2)24)11(29-7(3)25)14(30-8)22-12-9(19-15(22)17)13(26)21-16(18)20-12/h8,10-11,14H,4H2,1-3H3,(H3,18,20,21,26) could not be loaded.