(SP-4-2)-[2,3-Bis[[[2-(hydroxy-κO)phenyl]methylene]amino-κN]-2-butenedinitrilato(2-)]nickel64696-98-6100 % similar Salcomine14167-18-144 % similar Cyanobenzocyclobuten117917-37-033 % similar Cs gas2698-41-131 % similar