The invention relates to compounds of the formulas <IMAGE> I wherein X, R1, R2, and R3, are as described herein. These compounds are useful as antitumor agents. Pharmaceutical compositions containing compounds of formula I are also described. Methods for treating tumors which comprise administration of compounds of formula I are also described. Processes for preparing compounds of formula I are also described.
申请公布号
US5595998(A)
申请公布日期
1997.01.21
申请号
US19940357624
申请日期
1994.12.15
申请人
WOLIN, RONALD L.;AFONSO, ADRIANO;KELLY, JOSEPH M.;NJOROGE, F. GEORGE
发明人
WOLIN, RONALD L.;AFONSO, ADRIANO;KELLY, JOSEPH M.;NJOROGE, F. GEORGE