Chemical Name: 13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol (as per EP)
Smiles: C#C[C@]1(O)CC[C@@]2([H])[C@]3([H])CC=C4C=C(C#C)CC[C@]4([H])[C@@]3([H])CC[C@@]21CC
Inchi: InChI=1S/C21H28O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,17-19,23H,3,5-13H2,1H3/t17-,18-,19+,20+,21+/m1/s1
Comparative study on the application of capillary liquid chromatography and capillary electrochromatography for investigation of enantiomeric purity of the contraceptive drug levonorgestrel
Bezhan Chankvetadze a,b,, Irma Kartozia a , Chiyo Yamamoto c , Yoshio Okamoto c , Gottfried Blaschke
Journal of Pharmaceutical and Biomedical Analysis 30 (2003) 1897/1906
Analytical method development and method validation for determination assay and content uniformity of levonorgestrel by reversed-phase highperformance liquid chromatography
vikas kumar pal*, yogendra pal
Asian J Pharm Clin Res, Vol 13, Issue 4, 2020, 101-107