| abstract |
According to the present invention there is provided a pharmaceutical composition comprising a co-lyophilizate of: a pharmaceutical carrier; and an active ingredient of formulae I and II or a pharmaceutically acceptable salt thereof, <CHEM> wherein R<1> and R<2>, independently of one another, denote hydrogen, or pharmaceutically acceptable groups which have 1 to 10 carbon atoms and are bonded to the remaining part of the molecule via carbon-carbon single bonds and in which R<3>, R<4> and R<5>, independently of one another, denote pharmaceutically acceptable groups which are bonded to the exocyclic, allylic carbon atom via carbon atoms. |