ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C19H26O2/c1-17-7-6-15-13(14(17)2-3-16(17)21)5-8-18-10-12(20)4-9-19(15,18)11-18/h13-15H,2-11H2,1H3/t13-,14-,15-,17-,18?,19?/m0/s1/i11D2/file?format=sdf&get3d=True  -- InChI=1S/C19H26O2/c1-17-7-6-15-13(14(17)2-3-16(17)21)5-8-18-10-12(20)4-9-19(15,18)11-18/h13-15H,2-11H2,1H3/t13-,14-,15-,17-,18?,19?/m0/s1/i11D2 could not be loaded.