abstract |
The present invention relates to the use of compounds of formula I ##STR1## wherein R 1 is independently hydrogen, hydroxy, alkyl with 1 to 6 carbon atoms, acyloxy groups with 1 to 6 carbon atoms, alkyloxy with 1 to 6 carbon atoms or from 1 to 5 sugar moieties; and R 2 is independently hydrogen, or alkyl with 1 to 6 carbon atoms, in the reduction of coagulation time in mammals. |