5-(4-chlorophenyl)-6-ethylpyrimidine-2,4-diamine hydrochloride, EINECS 242-804-6, 6-Aethyl-5-(4-chlor-phenyl)-pyrimidin-2,4-diyldiamin,Monohydrochlorid, 6-ethyl-5-(4-chloro-phenyl)-pyrimidine-2,4-diyldiamine,monohydrochloride, Pyrimethaminehydrochloride,
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