Hydrocortisone acetate mixture with neomycin sulfate and polymyxin B sulfate

Formula : C21-H30-O5.H2-O4-S.H2-O4-S.x-Unspecified.x-Unspecified
CAS : 8024-64-4 

Antibiotic/steroid eardrops for treatment of otitis externa, chronic otitis media & infected mastoid cavities; each cc contains neomycin sulfate 5 mg, polymyxin B sulfate 10, 000 units & hydrocortisone (free alcohol) 5 mg.