ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/2C3H7NS2.Zn/c2*1-4(2)3(5)6;/h2*1-2H3,(H,5,6);/q;; 2/p-2/file?format=sdf&get3d=True  -- InChI=1S/2C3H7NS2.Zn/c2*1-4(2)3(5)6;/h2*1-2H3,(H,5,6);/q;; 2/p-2 could not be loaded.