ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C18H21NO3/c1-19-8-7-18-11-4-5-13(20)17(18)22-16-14(21-2)6-3-10(15(16)18)9-12(11)19/h3,5-6,11-12,17,20H,4,7-9H2,1-2H3/t11?,12-,17?,18+/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C18H21NO3/c1-19-8-7-18-11-4-5-13(20)17(18)22-16-14(21-2)6-3-10(15(16)18)9-12(11)19/h3,5-6,11-12,17,20H,4,7-9H2,1-2H3/t11?,12-,17?,18+/m0/s1 could not be loaded.