ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C28H38O2.2K/c1-27(2,3)21-15-17-11-7-9-13-19(17)23(25(21)29)24-20-14-10-8-12-18(20)16-22(26(24)30)28(4,5)6;;/h15-16,29-30H,7-14H2,1-6H3;;/q;2* 1/p-2/file?format=sdf&get3d=True  -- InChI=1S/C28H38O2.2K/c1-27(2,3)21-15-17-11-7-9-13-19(17)23(25(21)29)24-20-14-10-8-12-18(20)16-22(26(24)30)28(4,5)6;;/h15-16,29-30H,7-14H2,1-6H3;;/q;2* 1/p-2 could not be loaded.