英文别名1-[(2-fluorophenyl)methyl]pyrazolo[3,4-b]pyridine-3-carbonitrile; 3-Cyano-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine; 1H-Pyrazolo[3,4-b]pyridine-3-carbonitrile,1-[(2-fluorophenyl)methyl]; 1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridine-3-carbonitrile; Riociguat-21; Riociguat Impurity 32; 1H-Pyrazolo[3,4-b]pyridine-3-carbonitrile, 1-[(2-fluorophenyl)methyl]-; Riociguat Impurity K 
