It’s only fair to share… Frespaciguat CAS 2101645-33-2 MF C27H22ClF5N6O3 MW 608.9 g/mol 3-[4-[(5S)-4-amino-2-[6-chloro-1-(3,3,4,4,4-pentafluorobutyl)indazol-3-yl]-5-methyl-6-oxo-7H-pyrrolo[2,3-d]pyrimidin-5-yl]phenyl]propanoic acid 3-{4-[(5S)-4-amino-2-[6-chloro-1-(3,3,4,4,4-pentafluorobutyl)-1H-indazol-3-yl]-5-methyl-6-oxo-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-5-yl]phenyl}propanoic acidguanylate cyclase activator, MK5475, MK 5475, sGC activator 1, 6DXN080KGB Frespaciguat (development code MK-5475) is an experimental inhaled soluble guanylate cyclase stimulator developed by Merck for pulmonary arterial hypertension.[1][2][3][4] Frespaciguat is a small molecule drug. The usage of the INN stem ‘-ciguat’ in the name indicates that …