Synonyms: 1,4-Naphthalenediol,2-methyl-3-(3,7,11,15-tetramethyl-2-hexadecenyl)-, bis(dihydrogen phosphate),disodium salt (8CI); 2-Methyl-3-phytyl-1,4-naphthalenediol disodiumdiphosphate; Dihydrovitamin K, diphosphate, disodium salt; Kayhydrin;Mephyton-DK; Phytonadiol sodium diphosphate