1H-Pyrazolo[3,4-b]pyridine compounds (I) and their N-oxides, salts, solvates, salts of N-oxides or solvates of N-oxides and salts, are new. 1H-Pyrazolo[3,4-b]pyridine compounds of formula (I) and their N-oxides, salts, solvates, salts of N-oxides or solvates of N-oxides and salts, are new. A : N or CR 3>; R 3> : H, D, F, CHF 3, CF 3, (1-4C)-alkyl, cyclopropyl or cyclobutyl; L : a-CR4AR4B-(CR5AR5B) p-b; a : connection point at carbonyl group; b : connection point to pyrimidine or triazine ring; p : 0-2; either R4A, R5A : H, F, (1-4C)-alkyl or OH; and R4B, R5B : H, F, (1-4C)-alkyl or CF 3; or R4AR4BC : an oxy group, 3-6 membered carbocyclic ring or 4-6 membered heterocyclic ring; R 1> : H or F; and R 2> : benzyl substituted by 1-3 F. Independent claims are included for: (1) the preparation of (I); and (2) a medicament comprising (I) in combination with an inert, non-toxic auxiliary agent and a further active agent comprising organic nitrate, nitiric oxide donors, cGMP-phosphodiesterase inhibitors, anti-thrombot