2-Thiophenesulfonyl chloride, 5-[2-(methylthio)-4-pyrimidinyl]-
5-[2-(Methylthio)-4-pyrimidinyl]-2-thiophenesulfonyl chloride
5-[2-(Methylthio)pyrimidin-4-yl]thiophene-2-sulfonyl chloride
5-(2-Methylsulfanylpyrimidin-4-yl)thiophene-2-sulfonyl chloride