tc te tet tetr
abramycin abricycline agromicina ambramicina ambramycin amycin biocycline brodspec cefracycline centet ciclibion copharlan criseociclina cyclomycin democracin deschlorobiomycin economycin hostacyclin lexacycline limecycline liquamycin mericycline micycline neocycline omegamycin orlycycline panmycin purocyclina roviciclina solvocin tetrabon tetraciclina tetracycl tetracyclin tetracyclinehydrate tetracyclinum tetracyn tetradecin tetrafil tetraverine tetrazyklin tsiklomistsin tsiklomitsin veracin vetacyclinum