[Product Name]: Entecavir monohydrate

[Chemical Name]: 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one monohydrate

[Structure]:

[Molecular formula]: C₁₂H₁₇N₅O₄

[Molecular weight]: 295.29448

[CAS NO.]: 209216-23-9