. "{[(2S,3R,4S)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy}[({[(2R,3S,4R)-5-(4-carbamoyl-1,3-thiazol-2-yl)-3,4-dihydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)difluoromethyl]phosphinic acid" . "beta-CF2TAD(4)" . . . . . . . .