ANTHRACYCLINE GLYCOSIDES, PROCESS FOR THEIR PREPARATION AND THERAPEUTICAL COMPOSITION CONTAINING THEM

摘要

Compounds which, in form of therapeutical compositions, exhibit antitumoral activity. …These compounds are of the general formula I …… wherein R1 represents a hydrogen atom or a hydroxy or methoxy group, R2 represents a hydrogen atom or a hydroxy group, and each of R3 and R4 independently represents a hydrogen atom or a methyl group, with the proviso that R3 and R4 do not simultaneously represent hydrogen atoms and the pharmaceutically acceptable addition salts thereof, a process for producing said compounds and therapeutical composition containing same.