ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H30O2/c1-12-10-14(21)11-13-4-5-15-16(18(12)13)6-8-19(2)17(15)7-9-20(19,3)22/h12,15-17,22H,4-11H2,1-3H3/t12?,15-,16+,17+,19+,20+/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C20H30O2/c1-12-10-14(21)11-13-4-5-15-16(18(12)13)6-8-19(2)17(15)7-9-20(19,3)22/h12,15-17,22H,4-11H2,1-3H3/t12?,15-,16+,17+,19+,20+/m1/s1 could not be loaded.