Term Name:	(-)-(4S,5S,8R,10R,20S)-8,18-dihydroxy-12-oxo-abieta-9(11),13-dien-20-aldehyde 8,18,20-acetal
Synonyms:	(20S)-8,20:19,20-diepoxyabieta-9(11),13-dien-12-one
Definition:	An abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana.
Ontology:	ChEBI [CHEBI:70553]  ( EBI )