Compounds that are 4-oxo-n- (4-hydroxyphenyl) retinamide derivatives or pharmaceutically acceptable salts thereof as therapeutic agents for treating cancer, combination medicaments using them, and pharmaceutical compositions

摘要

R1 is H, straight or branched C1-C10 alkyl, aryl, or R2CO— wherein R2 is straight or branched C1-C10 alkyl, for use as antitumoral agents.