158069-75-1

Entacapone Glucuronide Entacapone Impurity 80 Entacapone 3-o-glucuronide Entacapone 3--D-Glucuronide Entacapone 3-b-D-Glucuronide Entacapone 3-β-D-Glucuronide Entacapone-3-beta-D-Glucuronide Entacapone Impurity 12（Entacapone 3-β-D-Glucuronide） 5-[(1E)-2-Cyano-3-(diethylamino)-3-oxo-1-propenyl]-2-hydroxy-3-nitrophenyl b-D-Glucopyranosiduronic Aci 5-[(1E)-2-Cyano-3-(diethylamino)-3-oxo-1-propenyl]-2-hydroxy-3-nitrophenyl -D-Glucopyranosiduronic Acid β-D-Glucopyranosiduronic acid, 5-[(1E)-2-cyano-3-(diethylamino)-3-oxo-1-propen-1-yl]-2-hydroxy-3-nitrophenyl