(1-Methyl-4-oxo-2-imidazolidinylidene)phosphoramidic acid 19604-05-8 5786-71-0 EINECS 227-315-8 Fosfocreatinina [Spanish] Fosfocreatinine Fosfocreatinine [INN] Fosfocreatininum [Latin] Phosphocreatinine Phosphoramidic acid, (4,5-dihydro-1-methyl-4-oxo-1H-imidazol-2-yl)-