18588-57-3 2,4-Diamino-5-(3,4-dichlorophenyl)-6-ethylpyrimidine 2,4-Pyrimidinediamine, 5-(3,4-dichlorophenyl)-6-ethyl- Ethodichlorophen Etoprine NSC3062 Pyrimidine, 2,4-diamino-5-(3,4-dichlorophenyl)-6-ethyl-