7-(1-trityloxypent-4-en-2-yl)purin-6-amine

4-phenyl-1-tritylpyrazole

(6-tritylsulfanylpyridin-3-yl)methanol

acetyl 2,3,4-tri-O-acetyl-6-O-triphenylmethyl-α-D-mannopyranoside

[4,5,6-triacetyloxy-2-(trityloxymethyl)oxan-3-yl] acetate