| abstract |
Novel antibiotic compounds represented by the formula wherein R is a furyl, pyrrolyl, thienyl, oxazolyl, isoxazolyl, thiazolyl, pyridyl, pyrimidinyl, tetrazolyl or indolyl radical which can be substituted with halogen, C1-C3-alkyl, C1-C3alkoxy or C1-C3-alkylthio and T is a C2-C5-alkyl group, PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF AND HYDRATES OF SUCH SALTS, A PROCESS FOR THEIR PREPARATION AND NOVEL INTERMEDIATES THEREOF ARE DISCLOSED. |