Chemical Name: 4-Amino-1-methyl-5-propyl-1H-pyrazole-3-carboxamide
Smiles: CCCC(N1C)=C(C(C(N)=O)=N1)N
Inchi: InChI=1S/C9H14N4O3/c1-5(2)4-6-7(13(15)16)8(9(10)14)12(3)11-6/h5H,4H2,1-3H3,(H2,10,14)
Quantification of active pharmaceutical ingredient and impurities in sildenafil citrate obtained from the Internet
Michael A Veronin , Mohammad T Nutan , Uday Krishna Reddy Dodla
Ther Adv Drug Saf. 2014 Oct;5(5):180-9
Validated Methods for Determination of Sildenafil Citrate in The Presence of its Potential Impurities
A.E. El-Gindy , E. Shokry M. Farouk , L. Abd El-Aziz
J Biomed Sci and Res., Vol 2 (4), 2010,262-278
Validated LC method for sildenafil citrate related substances and its potential oxidative degradation product
A.Nageswari, P.Surya Prakash Rao, B.Gowri Sankar Rao, B.Satyanarayana , M.Saravanan , V.Ranga Reddy , Mukkanti
ACAIJ, 10(10) 2011 [683-690]
Determinaton of sildenafil citrate and related substances in the commercial products and tablet dosage form using HPLC
N Daraghmeh, M Al-Omari, A.ABadwan, A.M.YJaber
Journal of Pharmaceutical and Biomedical Analysis Volume 25, Issues 3–4, June 2001, Pages 483-492