peptide micafungin 5-[(1S,2S)-2-{(2R,6S,9S,11R,12R,14aS,15S,16S,20S,23S,25aS)-20-[(1R)-3-amino-1-hydroxy-3-oxopropyl]-2,11,12,15-tetrahydroxy-6-[(1R)-1-hydroxyethyl]-16-methyl-5,8,14,19,22,25-hexaoxo-9-[(4-{5-[4-(pentyloxy)phenyl]isoxazol-3-yl}benzoyl)amino]tetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-23-yl}-1,2-dihydroxyethyl]-2-hydroxyphenyl hydrogen sulfate 5.1:6-anhydro{(4R,5R)-4,5-dihydroxy-N(2)-(4-{5-[4-(pentyloxy)phenyl]isoxazol-3-yl}benzoyl)-L-ornithyl-L-threonyl-(4R)-4-hydroxy-L-prolyl-(4S)-4-hydroxy-4-[4-hydroxy-3-(sulfooxy)phenyl]-L-threonyl-(3R)-3-hydroxy-L-glutaminyl-(3S,4S)-3-hydroxy-4-methyl-L-proline} A cyclic hexapeptide echinocandin antibiotic which exerts its effect by inhibiting the synthesis of 1,3-beta-D-glucan, an integral component of the fungal cell wall. It is used as the sodium salt for the treatment of invasive candidiasis, and of aspergillosis in patients who are intolerant of other therapy. Micafungin