Term Name:	22,23-dihydroavermectin B1a
Synonyms:	(2aE,4E,5'S,6S,6'R,7S,8E,11R,13R,15S,17aR,20R,20aR,20bS)-6'-[(2S)-butan-2-yl]-20,20b-dihydroxy-5',6,8,19-tetramethyl-17-oxo-3',4',5',6,6',10,11,14,15,17,17a,20,20a,20b-tetradecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13, 5-O-demethyl-22,23-dihydroavermectin A1a, avermectin H2B1a, dihydroavermectin B1a, H2B1a, ivermectin B1a
Definition:	A macrocyclic lactone that is avermectin B1a in which the double bond present in the spirocyclic ring system has been reduced to a single bond. It is the major component of ivermectin.
Ontology:	ChEBI [CHEBI:63941]  ( EBI )