• R05CB01 Acetilcisteina 23 farmaci
• R05CB02 Bromhexine 13 farmaci
• R05CB03 Carbocisteina 19 farmaci
• R05CB06 Ambroxolo 39 farmaci
• R05CB13 Dornasi alfa (desossiribonucleasi) 1 farmaci
• R05CB15 Erdosteine 9 farmaci