QF211902

夫西地酸EP杂质B；夫西地酸钠EP杂质B

Fusidic Acid EP Impurity B;Sodium Fusidate EP Impurity B

别名：(3R,4S,5S,8S,9S,10S,11R,13R,14S,16S,Z)-3,11-dihydroxy-17-(6-hydroxy-7,7-dimethyl-2-oxooxepan-3-ylidene)-4,8,10,14-tetramethylhexadecahydro-1H-cyclopenta[a]phenanthren-16-yl acetate