ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H32O4/c1-2-3-4-5-9-12-18(21)17-14-15-19(22)16(17)11-8-6-7-10-13-20(23)24/h16-18,21H,2-8,10-11,13-15H2,1H3,(H,23,24)/t16-,17+,18?/m1/s1/file?format=sdf&get3d=True -- InChI=1S/C20H32O4/c1-2-3-4-5-9-12-18(21)17-14-15-19(22)16(17)11-8-6-7-10-13-20(23)24/h16-18,21H,2-8,10-11,13-15H2,1H3,(H,23,24)/t16-,17+,18?/m1/s1 could not be loaded.