5'-O-dimethoxytrityl thymidine 3'-O-phosphorbisdiethylamidite 、 N-[9-[(2R,4S,5R)-4-[bis(diethylamino)phosphanyloxy]-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]oxolan-2-yl]purin-6-yl]benzamide 、 N-[9-[(2R,4S,5R)-4-[bis(diethylamino)phosphanyloxy]-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]oxolan-2-yl]-6-oxo-3H-purin-2-yl]-2-methylpropanamide 、
N-[1-[(2R,4S,5R)-4-[bis(diethylamino)phosphanyloxy]-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]oxolan-2-yl]-2-oxopyrimidin-4-yl]benzamide 生成