17126-47-5 Ferrate(4-), hexacyano-, tetrahydrogen (8CI) Ferrate(4-), hexakis(cyano-C)-, tetrahydrogen, (OC-6-11)- (9CI) Ferrocyanhydric acid Ferrocyanic acid Hydroferrocyanic acid NSC 187672 Tetrahydrogen hexacyanoferrate