ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C28H42O4/c1-15(2)16(3)6-10-26(5)21-14-19-23-27(21,24(30-19)32-26)11-8-20-25(4)9-7-18(29)12-17(25)13-22-28(20,23)31-22/h15,17-24,29H,3,6-14H2,1-2,4-5H3/t17-,18+,19+,20-,21-,22+,23-,24+,25+,26+,27?,28-/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C28H42O4/c1-15(2)16(3)6-10-26(5)21-14-19-23-27(21,24(30-19)32-26)11-8-20-25(4)9-7-18(29)12-17(25)13-22-28(20,23)31-22/h15,17-24,29H,3,6-14H2,1-2,4-5H3/t17-,18+,19+,20-,21-,22+,23-,24+,25+,26+,27?,28-/m1/s1 could not be loaded.