208538-73-2 FK 463 FK463 Micafungin sodium Mycamine Pneumocandin A0, 1-((4R,5R)-4,5-dihydroxy-N2-(4-(5-(5-(pentyloxy)phenyl)-3-isoxazolyl)benzoyl)-L-ornithine)-4-((4S)-4-hydroxy-4-(4-hydroxy-3-(sulfooxy)phenyl)-L-threonine)-, monosodium salt