5-METHYL-1-(2'', 3'', 5''-TRI-O-BENZOYL-β-L-RIBOFURANOSYL)URACIL

3-(氨基甲酰氨基)-2-甲基-丙酸

(RS)-1-N-tert-butyloxycarbonyl-3-(thymin-1-yl)piperidine

N-Boc-3,4-二氢-2H-吡啶

N-BOC-1,2,3,6-四氢吡啶