ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H23NO4.H3O4P/c1-11(22)24-16-7-5-13-14-10-12-4-6-15(23-3)18-17(12)20(13,19(16)25-18)8-9-21(14)2;1-5(2,3)4/h4-7,13-14,16,19H,8-10H2,1-3H3;(H3,1,2,3,4)/t13-,14+,16-,19?,20-;/m0./s1/file?format=sdf&get3d=True  -- InChI=1S/C20H23NO4.H3O4P/c1-11(22)24-16-7-5-13-14-10-12-4-6-15(23-3)18-17(12)20(13,19(16)25-18)8-9-21(14)2;1-5(2,3)4/h4-7,13-14,16,19H,8-10H2,1-3H3;(H3,1,2,3,4)/t13-,14+,16-,19?,20-;/m0./s1 could not be loaded.