5-(butan-2-yloxymethyl)-1-[(2R,5S)-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione

[(2S,5R)-5-[5-(butan-2-yloxymethyl)-2,4-dioxopyrimidin-1-yl]oxolan-2-yl]methyl 4-methylbenzoate

(4R)-5-amino-4-hydroxypentanoic acid

(R)-5-羟基哌啶-2酮

2’,3’-二脱氧尿苷