Term Name:	4a-hydroxytetrahydrobiopterin
Synonyms:	2-amino-6-(1,2-dihydroxypropyl)-4a-hydroxy-5,6,7,8-tetrahydropteridin-4(4aH)-one, 4a-Hydroxy-5,6,4,8-tetrahydrobiopterin
Definition:	A tetrahydropterin that is 5,6,7,8-tetrahydrobiopterin carrying an additional hydroxy substituent at the 4a-position.
Ontology:	ChEBI [CHEBI:15374]  ( EBI )