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.

Hydrocortisone mixture with neomycin sulfate and pimaricin

Formula : C33-H47-N-O13.C21-H30-O5.-Unspecfied
CAS : 8072-88-6 

Combination of pimaricin 10 mg, neomycin sulfate 5 mg & hydrocortisone 10 mg.

Hydrocortisone mixture with urea

Formula : C21-H30-O5.C-H4-N2-O
CAS : 65272-39-1 

1% hydrocortisone in urea base which improves skin absorption.