Term Name:	rifamycin B(2-)
Synonyms:	rifamycin B, rifamycin B dianion, {[(2S,12Z,14E,16S,17S,18R,19R,20R,21S,22R,23S,24E)-21-acetoxy-6,17,19-trihydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-5-oxido-1,11-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-9-yl]oxy}acetate
Definition:	A hydroxy monocarboxylic acid anion arising from deprotonation of the carboxy and 5-carboxy groups of rifamycin B; major species at pH 7.3.
Ontology:	ChEBI [CHEBI:58306]  ( EBI )