3,5-DIAMINO-1,2,4-TRIAZINE DERIVATIVES, PROCESS FOR PREPARING SUCH COMPOUNDS AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

The present invention provides compounds of the formula (III): (III) or an acid addition salt thereof, wherein R6, R7, R9 and R10 are each hydrogen, halogen, C1-4 alkyl or trifluoromethyl and R8 is chlorine or R7 and R8 are linked to form a -CH=CH-CH=CH- group when one of R6 and R10 is other than hydrogen provided that when R8 is chlorine R6, R7, R9 and R10 are not all hydrogen atoms and that any one of R6, R7, R9 and R10 is not chlorine when the other three groups are hydrogen. Also provided are pharmaceutical compositions containing compounds of the formula (III), the first medical use of compounds of the formula (III), a process for preparing such compounds and intermediates through which this process proceeds.