2,4-Pyrimidinediamine, 6-chloro-N(sup 4)-(2-(diethylamino)ethyl)-N(sup 2),N(sup 2)-dimethyl-5-(methylthio)- 2-Dimethylamino-4-(2'-diethylamine)ethylamino-5-methylthio-6-chloropyrimidine 55416-91-6 6-Chloro-N4-(2-(diethylamino)ethyl)-N2,N2-dimethyl-5-(methylthio)-2,4-pyrimidinediamine