Fusidic Acid Impurity I - (2E)-6-methyl-2-[(3R,4S,5S,8S,9S,10S,11R,13R,14S,16R)-3,11,16-trihydroxy 4,8,10,14-tetramethyl-2,3,4,5,6,7,9,11,12,13,15,16-dodecahydro-1H cyclopenta[a]phenanthren-17-ylidene]hept-5-enoic acid:
Fusidic Acid Impurity K - (1S,2S,4S,9R,11R,12S,13S,16R,17S)-11,16-dihydroxy-1,2,13,17-tetramethyl-7-(4 methylpent-3-enyl)-5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icos-7-en-6-one :
Fusidic Acid Impurity L - (2Z) 2-[(3R,4S,5S,8R,10S,13R ,14S,16S)-16-acetyloxy-3-hydroxy-4,8,10,14-tetramethyl 2,3,4,5,6,7,12,13,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ylidene]-6 methylhept-5-enoic acid: (3α,4α,8α,13α,14β,16β,17Z)-16-(Acetyloxy)-3-hydroxy-29-nordammara-9(11),17(20),24-trien-21-oic Acid; 9,11-Anhydrofusidic Acid;
Fusidic Acid Impurity M - (Z)-2-((3R,4S,5S,8S,9S,10S,13R,14S,16S)-16-acetoxy-3-hydroxy-3,4,8,10,14-pentamethylhexadecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)-6-methylhept-5-enoic acid;
