ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C44H32P2.2C2H4O2.Ru/c1-5-19-35(20-6-1)45(36-21-7-2-8-22-36)41-31-29-33-17-13-15-27-39(33)43(41)44-40-28-16-14-18-34(40)30-32-42(44)46(37-23-9-3-10-24-37)38-25-11-4-12-26-38;2*1-2(3)4;/h1-32H;2*1H3,(H,3,4);/q;;; 2/p-2/file?format=sdf&get3d=True  -- InChI=1S/C44H32P2.2C2H4O2.Ru/c1-5-19-35(20-6-1)45(36-21-7-2-8-22-36)41-31-29-33-17-13-15-27-39(33)43(41)44-40-28-16-14-18-34(40)30-32-42(44)46(37-23-9-3-10-24-37)38-25-11-4-12-26-38;2*1-2(3)4;/h1-32H;2*1H3,(H,3,4);/q;;; 2/p-2 could not be loaded.