The molecule is conjugate base of 1,2-dihydroxy-5-(methylthio)pent-1-en-3-one arising from deprotonation of the 2-hydroxy group. It is a conjugate base of a 1,2-dihydroxy-5-(methylthio)pent-1-en-3-one.
(Z)-2-hydroxy-5-methylsulfanyl-3-oxopent-1-en-1-olate