Synonyms: Ph-Se-CF3-ddT;3'-Phenylselenyl-2',3'-dideoxy-5-(trifluoromethyl)thymidine;144989-70-8;AC1L9QTA;Thymidine, alpha,alpha,alpha-trifluoro-3'-Se-phenyl-3'-seleno-;Thymidine, .alpha.,.alpha.,.alpha.-trifluoro-3'-Se-phenyl-3'-seleno-;1-[(2R,4S,5R)-5-(hydroxymethyl)-4-phenylselanyloxolan-2-yl]-5-(trifluoromethyl)pyrimidine-2,4-dione