Chlortetracycline (Aureomycin®, Lederle) is the first tetracycline antibiotic to be discovered. It was discovered in 1945 by Dr Benjamin Duggar in a soil sample from Sanborn fields, yielding an actinomycete, Streptomyces aureofaciens (hence the name Aureomycin).

Tetracycline antibiotics

Хлортетрациклин | คลอเตตร้าซัยคลิน