[4-(羟基甲基)-1-三苯甲游基-1H-咪唑-5-基]甲醇

1,1,2,2-四苯乙烯

1-bromo-4-triphenylmethylsulfanylbenzene

N6-benzoyl-5’-O-trityl-2’-deoxyadenosine

triphenylmethyl TMS ether