| 摘要 |
A pharmaceutical composition useful for aiding regression and palliation of cancer in mammals comprises a therapeutically effective amount of a compound of formula CO-CH2 CH2-CO HN ANGLE ANGLE N-CHR1-CHR2-N ANGLE ANGLE NH CO-CH2CH2-CO wherein R1 and R2 are each separately selected from hydrogen and methyl or together represent an ethylene bridging group, with the proviso that when both of the groups R1 and R2 are methyl they are disposed in the meso configuration, or a non-toxic salt thereof with a physiologically acceptable inorganic or organic acid, in combination with a physiologically acceptable diluent or carrier.
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