Chemical Name: Methyl {4,6-diamino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate (as per USP)
Synonym: N-Desmethyl Riociguat
Smiles: FC1=C(CN2N=C(C3=NC(N)=C(NC(OC)=O)C(N)=N3)C4=C2N=CC=C4)C=CC=C1
Stability indicating RP-HPLC method for estimation of riociguat in bulk & pharmaceutical dosage form
By Dichwalkar, Sanika A.; Hamrapurkar, Purnima D.
From World Journal of Pharmaceutical Research (2019), 8(13), 1258-1268