Subheading 294110: Antibiotics; Penicillins and their Derivatives with a Penicil … etc.
Subheading 294120: Antibiotics; Streptomycins and their Derivatives; Salts there … etc.
Subheading 294130: Antibiotics; Tetracyclines and their Derivatives; Salts there … etc.
Subheading 294140: Antibiotics; Chloramphenicol and its Derivatives; Salts there … etc.
Subheading 294150: Antibiotics; Erythromycin and its Derivatives; Salts thereof
Subheading 294190: Antibiotics; N.E.C. in Heading no. 2941