ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/16H3O4P.8Sn/c16*1-5(2,3)4;;;;;;;;/h16*(H3,1,2,3,4);;;;;;;;/q;;;;;;;;;;;;;;;;8*+4/p-48/file?format=sdf&get3d=True -- InChI=1S/16H3O4P.8Sn/c16*1-5(2,3)4;;;;;;;;/h16*(H3,1,2,3,4);;;;;;;;/q;;;;;;;;;;;;;;;;8*+4/p-48 could not be loaded.