Standards; Steroids; Pharmaceutical/API Drug Impurities/Metabolites;
N-Desmethyl Ulipristal Acetate is the N-monodemethylated analogue and metabolite of the selective progesterone receptor modulator Ulipristal Acetate (U700810). N-Desmethyl Ulipristal Acetate contributes significantly to the antiprogestational activity of its parent compound.
Attardi, B.J. et al.: J. Steroid Biochem. Mol. Biol., 88, 277 (2004);
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