abstract |
The invention relates to Akutumin and its compounds, as well as to compounds of formula (I) in which R and R each represent a hydrogen atom or together form an additional bond, R represents a hydrogen atom or an alkoxy group, R represents a hydrogen or chlorine atom, R represents a hydrogen atom or an alkyl, alkylcarbonyl or aroyl group, R and R, each represents an alkoxy group, R represents an alkoxy group, R, R, R, R, R, R and R are as defined herein. Medicines |