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Name of Impurities :5-(fluoromethoxy)pyrazine-2-carboxylic acid
Chemical Name :2-Pyrazinecarboxylic acid, 5-(fluoromethoxy)
CAS :1174321-00-6
Molecular Formula :C6H5FN2O3
Molecular Weight :172.11
Nil
Name of impurity :Velpatasvir impurity-40
CAS No:2514752-91-9
Name of impurity :Velpatasvir impurity-39
CAS No:2518116-06-6
Name of impurity :Velpatasvir impurity-38
CAS No:1844064-27-2
Name of impurity :Velpatasvir impurity-37 / L-Valine
CAS No:74761-42-5