in 62 operated patients with stomach , breast , and uterine cancers , the concentration of 5fu and ft were compared in serum , tumor and normal tissues 1 , 2 , 4 , 6 , 8 , and 12 hours following the administration of 300 mg of uft ( 300 mg of ft plus 672 mg uracil , a uracil/ft molar ratio of 4 ) , or ft alone .
C0016360
5fu
C0041917
uracil