Term Name:	rifamycin-undecaketide carboxy group(1-)
Synonyms:	(2E,4E,6S,7S,8R,9R,10R,11R,12R,13S,15E)-17-(6-amino-2,4-dihydroxy-3-methyl-5,8-dioxo-3,4,5,8-tetrahydronaphthalen-1-yl)-7,9,11,13-tetrahydroxy-2,6,8,10,12,14,16-heptamethyl-17-oxoheptadeca-2,4,15-trienoyl group(1-), 3-amino-5,7-dihydroxy-6-methyl-8-[(2E,13E,15E)-5,7,9,11-tetrahydroxy-2,4,6,8,10,12,16-heptamethyl-17-oxooctadeca-2,13,15-trienoyl]-1,4,5,6-tetrahydronaphthalene-1,4-dione residue(1-)
Definition:	An organic anionic group that is the conjugate base of rifamycin-undecaketide carboxy group, obtained by selective deprotonation of the 2-hydroxy group.
Ontology:	ChEBI [CHEBI:71973]  ( EBI )