NC69624
Carbamic acid, [(1R)-2-[[3-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propenyl]amino]-1-[[(1,1-dimethylethyl)dithio]methyl]-2-oxoethyl]-, 9H-fluoren-9-ylmethyl es...