Pharmaceutical Reference Standards / Impurity Standards

Flupirtine Maleate
4-Fluorobenzylamine
Flupirtine Impurity A
Flupirtine Impurity C
Flupirtine Impurity G
Flupirtine Impurity H
2-Amino-6-[(4-fluorobenzyl)-amino]-3-nitropyridine
Ethyl Chloroformate
Flupirtine Impurity D
Flupirtine Impurity B
Flupirtine Impurity F
Acetyl Flupirtine
Flupirtine Maleate EP Impurity E
Flupirtine Dimer
N-(6-amino-5-nitropyridin-2-yl)-N-(4-fluorobenzyl)nitrous amide
N-(5,6-diaminopyridin-2-yl)-N-(4-fluorobenzyl)nitrous amide
Isopropyl(2-amino-6-((4-fluorobenzyl)(nitroso)amino)pyridin-3-yl)carbamate
Propyl (2-amino-6-((4-fluorobenzyl)(nitroso)amino)pyridin-3-yl)carbamate
Methyl (2-amino-6-((4-fluorobenzyl)(nitroso)amino)pyridin-3-yl)carbamate

Isotope Labelled Compounds

Flupirtine-D4 Hydrochloride
Acetylated Flupirtine-D4
Flupirtine-D5