2,4-Pyrimidinediamine, 5-(3,4-dichlorophenyl)-6-[2-(2-naphthalenyl)ethenyl]- 25095-33-4 AIDS-006920 AIDS006920 NSC125850 Pyrimidine, 2,4-diamino-5-(3,4-dichlorophenyl)-6-[2-(2-naphthyl)vinyl]-