Potassium tetracyanonickelate14220-17-840 % similar Ammonium ferrocyanide14481-29-940 % similar Potassium argentocyanide506-61-640 % similar Potassium dicyanoaurate554-07-440 % similar Potassium tetracyanomercurate(II)591-89-940 % similar Dipotassium tetracyanoplatinate(2-) trihydrate14323-36-533 % similar Potassium ferrocyanide trihyrate14459-95-133 % similar Sodium hydride7646-69-733 % similar