Chemical Name: 3-ethynyl-19-nor-17α-pregna-3,5-dien-20-yn-17-ol (as per EP)
Synonym: Norethindrone 3-Ethinyl Impurity
Smiles: C[C@@]1([C@]2(O)C#C)[C@](CC2)([H])[C@@](CC=C3[C@]4([H])CCC(C#C)=C3)([H])[C@]4([H])CC1
Method development and validation of norethindrone acetate assay and its related impurities in API and pharmaceutical formulation with ortogonal detector technques
By Satish, J.; Radhakrishnanand, P.; Babu, K. Surendra
From International Journal of Pharmacy and Pharmaceutical Sciences (2017), 9(12), 110-118
Reversed-phase high-performance liquid chromatographic determination of Norethindrone acetate and ethinyl estradiol in pharmaceutical formulation
By Koneru, Ajitha; Kimbahune, Ritu; Mubeen, G.; Lalitha, N.; Chakraborty, Krishnasis
From Indo American Journal of Pharmaceutical Research (2015), 5(6), 2442-2449
Development and validation of method for the determination of related substances of norethindrone in norethindrone tablets and degradation studies
By Murali Krishna, P.; Thirupathi Rao, B.; Kishore Kumar, R.; Venkateswarlu, P.
From International Journal of ChemTech Research (2011), 3(1), 143-148