the antitumor activity of this compound was superior to those of 5-fu and 1- ( 2-tetrahydrofuryl ) -5-fluorouracil ( tegafur , ftorafur ) in the treatment of transplantable tumors , not only 5-fu-sensitive tumors such as adenocarcinoma 755 , lymphosarcoma ls-1 , and plasmacytoma x5563 , but also 5-fu-resistant tumors such as lewis lung carcinoma and walker carcinosarcoma 256 .
C0016778
tegafur
C0016360
fu