title: Phosphodiesterase type 5 (PDE5) inhibitors.
authors.affiliation: BAYER AG Pharmaceutical Business Group, Medicinal Chemistry, D-42096 Wuppertal, Germany.
authors.forename: Helmut
authors.initials: H
authors.lastname: Haning
authors.forename: Ulrich
authors.initials: U
authors.lastname: Niewöhner
authors.forename: Erwin
authors.initials: E
authors.lastname: Bischoff
mesh_terms: D015106:3',5'-Cyclic-GMP Phosphodiesterases; D006152:Cyclic GMP / Q000502:physiology; D054706:Cyclic Nucleotide Phosphodiesterases, Type 5; D007172:Erectile Dysfunction / Q000188:drug therapy; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy; D008297:Male; D010726:Phosphodiesterase Inhibitors / Q000737:chemistry / Q000494:pharmacology* / Q000627:therapeutic use; D010727:Phosphoric Diester Hydrolases / Q000737:chemistry* / Q000235:genetics / Q000502:physiology; D011744:Pyrimidinones / Q000494:pharmacology; D013329:Structure-Activity Relationship
chemical_list: D010726:Phosphodiesterase Inhibitors; D011744:Pyrimidinones; D010727:Phosphoric Diester Hydrolases; D015106:3',5'-Cyclic-GMP Phosphodiesterases; D054706:Cyclic Nucleotide Phosphodiesterases, Type 5; C517381:PDE5A protein, human; D006152:Cyclic GMP