Stevens, Davis, Miller & Mosher
Pyrimidine derivatives
 Compounds of the formula: ##STR1## wherein R.sup.1 represents a methyl or ethyl group, R.sup.2 represents a bromine or chlorine atom, and R.sup.3 represents a hydrogen, chlorine, bromine or iodine atom, an alkyl or alkenyl group containing up to 4 carbon atoms, or a cyano or trifluoromethyl group, are new compounds possessing antimalarial properties. 
May & Baker Limited
C C A
C07C C07D A61P
inventional inventional inventional
Dennis Brian W. Jack Robert B. by Thomas
Warburton Sharp Hill Walker, deceased Walker, administrator