英文名称
{S-[N4-(benzyloxycarbonyl)-1-(ω-carbonylmethyl)cytosine-6-methyl]-L-cysteine ester}-{S-[N4-(benzyloxycarbonyl)-1-(ω-carbonylmethyl)cytosine-6-methyl]-L-cysteine methyl ester}-{S-[1-(ω-carbonylmethyl)uracil-6-methyl]-L-cysteine methyl ester}-S-{1-[(tert-butoxy)carbonylmethyl]uracil-6-methyl}-L-cysteine methyl ester