NC50798
3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-6-[3-[2-deoxy-3-O-(1,4-dioxopentyl)-β-D-erythro-pentofuranosyl]-5-methyl-2-oxo-1,3-diazabicyclo[2.2.0]hex-5-en-6-yl]-5,6-dihydro-5-hydroxy-, mono(2-cyanoethyl) ester, intramol. 3′,5′′′-ester, [P(R),5R,6S]-