2-甲酰基-1-三苯甲基-1H-咪唑

trityl phenylcyanomethane nitronate

3-amino-2N-thiocarbamoyl-4-(2,3-O-isopropylidene-5-O-trityl-α-D-ribofuranosyl)pyrazole

3-amino-2N-thiocarbamoyl-4-(2,3-O-isopropylidene-5-O-trityl-β-D-ribofuranosyl)pyrazole

ethyl (Z)-2-hydroxyimino-2-(2-triphenylmethylaminothiazol-4-yl)acetate