is an amino group, and R2 is a methyl group; a fluorine-containing organosulfur compound represented by the formula (I) wherein p is 0, G is an oxygen atom, R7 is an amino group, and R2 is a halogen atom; a fluorine-containing organosulfur compound represented by the formula (I) wherein p is 0, G is an oxygen atom, R7 is an amino group, and R2 is a fluorine or chlorine atom; a fluorine-containing