ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C11H15N4O8P/c1-21-24(19,20)22-2-5-7(16)8(17)11(23-5)15-4-14-6-9(15)12-3-13-10(6)18/h3-5,7-8,11,16-17H,2H2,1H3,(H,19,20)(H,12,13,18)/t5-,7-,8-,11?/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C11H15N4O8P/c1-21-24(19,20)22-2-5-7(16)8(17)11(23-5)15-4-14-6-9(15)12-3-13-10(6)18/h3-5,7-8,11,16-17H,2H2,1H3,(H,19,20)(H,12,13,18)/t5-,7-,8-,11?/m1/s1 could not be loaded.