2-(2-(Methylthio)pyrimidin-4-yl)malonaldehyde (CAS NO.77168-37-7) is also named as Propanedial, 2-[2-(methylthio)-4-pyrimidinyl]- ; Propanedial, [2-(methylthio)-4-pyrimidinyl]-(9CI ; 2-(2-Methylsulfanylpyrimidin-4-yl)propanedial .