Similar names: Rifamycin sodium; Sodium (2S,12Z,14E,16S,17S,18R,19R,20R,21S,22R,23S,24E)-21-(acetyloxy)-6,9,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-5-olate; 2,7-(Epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-1,11(2H)-dione, 5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-, 21-acetate, sodium salt (8CI); Rifamycin, monosodium salt (9CI); 2,7-(Epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan, rifamycin deriv.; CB 01-11; Monosodium rifamycin SV; NSC 146718; Rifamycin SV sodium; Rifamycin SV sodium salt; Rifamycin sodium; Rifamycin sodium salt; Tuborin; Rifaximin Imp C (EP)