2,4,6-三叔丁基苯酚

5'-O-dimethoxytrityl-N2-isobutyroyl-2'-deoxyguanosine

1,2,3-Tri-O-acetyl-5-O-trityl-α-D-ribofuranose

N,N'-二甲氧基-N,N'-二甲基乙二酰二胺