ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/Co.6HNO2.3Na/c;6*2-1-3;;;/h;6*(H,2,3);;;/q;;;;;;;3* 1/p-6/file?format=sdf&get3d=True -- InChI=1S/Co.6HNO2.3Na/c;6*2-1-3;;;/h;6*(H,2,3);;;/q;;;;;;;3* 1/p-6 could not be loaded.