5′-Cytidylic acid, N-[(phenylmethoxy)carbonyl]-, (1R)-1-[bis(phenylmethoxy)phosphinyl]-2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethyl phenylmethyl ester, 2′,3′-bis(phenylmethyl carbonate), [P(R)]-

5′-Cytidylic acid, N-[(phenylmethoxy)carbonyl]-, (1R)-1-[bis(phenylmethoxy)phosphinyl]-2-(2,5-dioxo-1-pyrrolidinyl)ethyl phenylmethyl ester, 2′,3′-bis(phenylmethyl carbonate), [P(R)]-

5′-Cytidylic acid, N-[(phenylmethoxy)carbonyl]-, (1R)-1-[bis(phenylmethoxy)phosphinyl]-2-oxo-2-(1-piperidinyl)ethyl phenylmethyl ester, 2′,3′-bis(phenylmethyl carbonate), [P(R)]-

5′-Cytidylic acid, N-[(phenylmethoxy)carbonyl]-, (1R)-1-[bis(phenylmethoxy)phosphinyl]-2-oxo-2-(1-pyrrolidinyl)ethyl phenylmethyl ester, 2′,3′-bis(phenylmethyl carbonate), [P(R)]-

5′-Cytidylic acid, N-[(phenylmethoxy)carbonyl]-, (1R)-1-[bis(phenylmethoxy)phosphinyl]-2-oxo-2-(phenylamino)ethyl phenylmethyl ester, 2′,3′-bis(phenylmethyl carbonate), [P(R)]-

5′-Cytidylic acid, N-[(phenylmethoxy)carbonyl]-, (1R)-2-(benzoylamino)-1-[bis(phenylmethoxy)phosphinyl]ethyl phenylmethyl ester, 2′,3′-bis(phenylmethyl carbonate), [P(R)]-

β-D-Ribofuranuronamide, 1-deoxy-N-ethyl-1-(1,2,3,6-tetrahydro-1,3-dipropyl-2,6-dioxo-7H-purin-7-yl)-

Adenosine, N-[4-[2-[[4-[2-[(2-hydroxyethyl)amino]-2-oxoethyl]phenyl]amino]-2-oxoethyl]phenyl]-