abstract |
A pyrimidine of formula (I): wherein: R1 is NH2, N-(C1-C6 alkyl)amino or N,N-di(C1-C6 alkyl)amino; R2 is NH2; R3 is trifluoromethyl or CH2X wherein X is hydroxy, C1-C6 alkoxy, phenoxy, benzyloxy or halo; R4 and R5 are each halo; and R6 to R8 are each hydrogen; or a pharmaceutically acceptable acid addition salt thereof. |