14487-05-9

ctone NSC 182391 Rifomycin O RIFAMYCIN O Rifamycin O USP/EP/BP Rifaximin EP Impurity F Rifamycin EP Impurity C Rifaximin impurity F (EP) Rifaximin EP Impurity F (Rifamycin O) Rifaximin Impurity 6 (Rifaximin EP Impurity F) 4’,12’,16’,18’,20’,22’-heptamethyl--221’-acetate Rifamycin Impurity 3(Rifamycin EP Impurity C)（Rifamycin O) 4-O-(CARBOXYMETHYL)-1-DEOXY-1,4-diHYDRO-4-HYDROXY-1-OXO-G-LACTONE 4-O-Carboxymethyl-1-deoxy-1,4-dihydro-4-hydroxy-1-oxorifamycin γ-lactone 4-o-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-rifamycigamma-la 2,1-b)furan)-1’,4,6’,11’(2’h)-tetrone,5’,17’,19’,21’-tetrahydroxy-23’-methoxy RifaMycin,4-O-(carboxyMethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, g-lactone spiro(1,3-dioxolane-2,9’(6’h)-(2,7)(epoxypentadeca(1,11,13)trienimino)naphtho( Rifamycin, 4-O-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, γ-lactone Rifamycin, 4-O-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, gamma-lactone