| 摘要 |
Azaanthracene-triones of the formula: <CHEM> (in which: R<1>, R<2>, R<4> and R<5> are the same or are different and each is a hydrogen atom or a lower alkyl group; R<3> is a hydrogen atom, a lower alkyl group, a phenyl group or an amino-substituted phenyl gro up; and X is a -CH-, =N- or -NH-, whereby the ring containing the group X is a benzene, pyridine or dihydropyridene ring> have antitumoral activity. |
