ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1/C20H26N2O2/c1-3-10-11-8-14-17-20(12-6-4-5-7-13(12)21(17)2)9-15(16(11)18(20)23)22(14)19(10)24/h4-7,10-11,14-19,23-24H,3,8-9H2,1-2H3/t10?,11?,14?,15?,16?,17-,18+,19+,20?/m0/s1/file?format=sdf&get3d=True  -- InChI=1/C20H26N2O2/c1-3-10-11-8-14-17-20(12-6-4-5-7-13(12)21(17)2)9-15(16(11)18(20)23)22(14)19(10)24/h4-7,10-11,14-19,23-24H,3,8-9H2,1-2H3/t10?,11?,14?,15?,16?,17-,18+,19+,20?/m0/s1 could not be loaded.