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US 2022/0088006 A1Published application
Analogs of deutetrabenazine, their preparation and use
OwnerChengzhi Zhang, James Kerrinventors
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Abstract
The disclosure is directed to deutetrabenazine analogs, compositions comprising same and methods of detecting same in compositions comprising deutetrabenazine.
Claims16
Deutetrabenazine drug substance comprising Compound 2 in an amount that is about 0.15 area-% or less of Compound 2, relative to the concentration of the deutetrabenazine, based on a determination by an HPLC method comprising a C18, 150×4.6 mm, 3.5 m column and a photodiode array/ultraviolet detector at 220 nm.
Dependencies are inferred from the claim text.