ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H32O2/c1-6-18(4)12-13-20(22)16(18)14(21)8-9-15-17(2,3)10-7-11-19(15,20)5/h6,15-16,22H,1,7-13H2,2-5H3/t15-,16-,18-,19-,20 /m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C20H32O2/c1-6-18(4)12-13-20(22)16(18)14(21)8-9-15-17(2,3)10-7-11-19(15,20)5/h6,15-16,22H,1,7-13H2,2-5H3/t15-,16-,18-,19-,20 /m0/s1 could not be loaded.