prov:value
| - and the compounds having the general formula I ##STR12## in which the definitions of the substituents R, R1, R2, R4, R5, R6 and Ac remain unaltered, and namely the compounds having the formule IC ##STR13## in which the substituents D, R, R1, R4, R5, R6 et m are defined as above-indicated and R2 is a hydrogen, a methyl, an ethyl, an allyl or an acetyl group
|