Term Name:	Sildenafil N-oxide
Synonyms:	5-[2-ethoxy-5-(4-methyl-4-oxidopiperazin-4-ium-1-yl)sulonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-7-one
Definition:
Ontology:	ChEBI [CHEBI:228553]  ( EBI )