ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1/C28H31NO7/c1-12-19-11-28(35,14(3)30)10-15(8-16-9-20(29)24(31)13(2)36-16)22(19)27(34)23-21(12)25(32)17-6-4-5-7-18(17)26(23)33/h4-7,13,15-16,20,24,31,34-35H,8-11,29H2,1-3H3/t13-,15-,16?,20-,24+,28+/m0/s1/file?format=sdf&get3d=True  -- InChI=1/C28H31NO7/c1-12-19-11-28(35,14(3)30)10-15(8-16-9-20(29)24(31)13(2)36-16)22(19)27(34)23-21(12)25(32)17-6-4-5-7-18(17)26(23)33/h4-7,13,15-16,20,24,31,34-35H,8-11,29H2,1-3H3/t13-,15-,16?,20-,24+,28+/m0/s1 could not be loaded.