Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P(S)-(phenylmethyl)-P-thioadenylyl-(3′→5′)-2′-deoxy-N-[4-[2-[methyl[3,4,5-tris(octadecyloxy)benzoyl]amino]ethoxy]-1,4-dioxobutyl]-, 3′-(4-oxopentanoate)

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P(S)-ethyl-P-thioadenylyl-(3′→5′)-2′-deoxy-N-[4-[2-[methyl[3,4,5-tris(octadecyloxy)benzoyl]amino]ethoxy]-1,4-dioxobutyl]-, 3′-(4-oxopentanoate)