Chloramphenicol and its derivatives; salts thereof
Erythromycin and its derivatives; salts thereof
Antibiotics (excl. penicillins and their derivatives with a penicillanic acid structure, salts thereof, streptomycins, tetracyclines, chloramphenicol and erythromycin, their derivatives and salts thereof)
Penicillins and their derivatives with a penicillanic acid structure; salts thereof
Streptomycins and their derivatives; salts thereof
Tetracyclines and their derivatives; salts thereof