恩替卡韦一水合物
Entecavir
2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one monohydrate
原料药

209216-23-9
C12H15N5O3.H2O
295.30
符合Merck 标准。