N-[9-[(2R,3R,4R,5R)-4-[bis(4-methoxyphenyl)-phenyl-methoxy]-5-[[2-cyanoethoxy-(diisopropylamino)phosphanyl]oxymethyl]-3-fluoro-tetrahydrofuran-2-yl]purin-6-yl]benzamide

This compound is a modified nucleoside derivative featuring a protected adenine base and a phosphoramidite group, commonly used in oligonucleotide synthesis. Its complex structure includes multiple aromatic rings, ether linkages, and a chiral fluorinated sugar moiety, reflecting its role as a building block for nucleic acid chemistry.