Chlortetracycline mixture with dibenzylethylenediamine

Formula : C22-H23-Cl-N2-O8.1/2C16-H20-N2
CAS : 1111-27-9 

Salt of 2 parts chlortetracycline & 1 part N, N'-dibenzylethylenediamine.

Chlortetracycline mixture with sulfamethazine

Formula :
CAS : 39312-85-1 

Combination of chlortetracycline & sulfamethazine for prevention of coccidiosis in cattle.