1H-Purine, 6-(2,2,2-trifluoroethoxy)- 6-(2,2,2-Trifluoroethoxy)purine 73972-56-2 NSC29411 Purine, 6-(2,2,2-trifluoroethoxy)- WLN: T56 BM DN FN HNJ IO1XFFF