114827-12-2
3'-O-mesyl-N4,O2',O5'-tripivaloylcytidine
→
114827-17-7
((2S,4S,5R)-4-hydroxy-5-(2-oxo-4-pivalamidopyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl pivalate