In the mol-ecule of the title compound, C(17)H(20)FN(3)O(4)S, the pyrimidine and benzene rings are oriented at a dihedral angle of 35.59 (3)°. Intra-molecular C-H⋯N and C-H⋯O hydrogen bonds result in the formation of one five- and two six-membered non-planar rings. One of the six-membered rings adopts a chair conformation, while the other six-membered ring and the five-membered ring exhibit envelope conformations with O and N atoms displaced by 0.837 (3) and 0.152 (3) Å, respectively from the planes of the other ring atoms. In the crystal structure, inter-molecular C-H⋯F hydrogen bonds link the mol-ecules into infinite chains.