Rifabutin
C46H62N4O11
847.02
(9S,12E,14S,15R,16S,17R,18R,19R,20S,21S,22E,24Z)-6,18,20-Trihydroxy-1’-isobutyl-14-methoxy-7,9,15,17,19,21,25-heptamethyl-5,10,26-trioxo-3,5,9,10-tetrahydrospiro[9,4-(epoxypentadeca[1,11,13]trienimino)-2H-furo[2’,3’:7,8]naphtho[1,2-d]imidazole-2,4’-piperidin]-16-yl acetate [72559-06-9]
(9S,12E,14S,15R,16S,17R,18R,19R,20S,21S,22E,24Z)-6,18,20-Trihydroxy-1’-isobutyl-14-methoxy-7,9,15,17,19,21,25-heptamethyl-5,10,26-trioxo-3,5,9,10-tetrahydrospiro[9,4-(epoxypentadeca[1,11,13]trienimino)-2H-furo[2’,3’:7,8]naphtho[1,2-d]imidazole-2,4’-piperidin]-16-yl acetate [72559-06-9]
DEFINITION
Rifabutin contains NLT 950 µg/mg and NMT 1020 µg/mg of rifabutin (C46H62N4O11), calculated on the anhydrous basis.