Tags:2172373-55-4 Molecular Formula|2172373-55-4 MDL|2172373-55-4 SMILES|2172373-55-4 2,4(1H,3H)-Pyrimidinedione, 1-[(5E)-6-[bis[(2,2-dimethyl-1-oxopropoxy)methoxy]phosphinyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5,6-dideoxy-2-O-methyl-β-D-ribo-hex-5-enofuranosyl]-