ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C18H19NO/c1-15-12-19(15)18(17-10-6-3-7-11-17)14-20-13-16-8-4-2-5-9-16/h2-11,18H,1,12-14H2/t18-,19?/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C18H19NO/c1-15-12-19(15)18(17-10-6-3-7-11-17)14-20-13-16-8-4-2-5-9-16/h2-11,18H,1,12-14H2/t18-,19?/m1/s1 could not be loaded.