The molecule is an oxoalkyl phosphate, an aliphatic sulfide and an alpha-diketone. It is a conjugate acid of a 5-(methylsulfanyl)-2,3-dioxopentyl phosphate(2-). It is a tautomer of a 2-hydroxy-5-(methylsulfanyl)-3-oxopent-1-enyl phosphate.
(5-methylsulfanyl-2,3-dioxopentyl) dihydrogen phosphate