| abstract |
A compound for use as a medicament, the compound being represented by the general formula (I) ** Formula ** in which R 1 is alkyl; R2 and R3 are independently hydrogen, hydroxy or alkoxy, with the exception that R2 and R3 are not both hydrogen; R4, R5 and R6 are independently hydrogen, hydroxy, alkoxy or alkyl, and R9 is hydrogen, or a pharmaceutically acceptable salt thereof. |