Acetic acid (R)-5-((1S,2R)-2,3-diacetoxy-1-methoxy-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl ester

Acetic acid (1R,2S)-1-acetoxymethyl-2-[(4R,5S)-5-(5-dodec-1-ynyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-2-methoxy-ethyl ester

Acetic acid (1R,2S)-1-acetoxymethyl-2-[(4R,5S)-2,2-dimethyl-5-(5-non-1-ynyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-[1,3]dioxolan-4-yl]-2-methoxy-ethyl ester