ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/2C19H21N3O.C4H6O6/c2*1-13-5-8-15(9-6-13)19-16(11-18(23)21(3)4)22-12-14(2)7-10-17(22)20-19;5-1(3(7)8)2(6)4(9)10/h2*5-10,12H,11H2,1-4H3;1-2,5-6H,(H,7,8)(H,9,10)/t;;1-,2-/m..1/s1/file?format=sdf&get3d=True  -- InChI=1S/2C19H21N3O.C4H6O6/c2*1-13-5-8-15(9-6-13)19-16(11-18(23)21(3)4)22-12-14(2)7-10-17(22)20-19;5-1(3(7)8)2(6)4(9)10/h2*5-10,12H,11H2,1-4H3;1-2,5-6H,(H,7,8)(H,9,10)/t;;1-,2-/m..1/s1 could not be loaded.