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- [7] SYNTHESIS OF BETA-LACTAM ANTIBIOTICS ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1977, 173 (MAR20): : 48 - 48
- [9] SYNTHESIS OF A BETA-LACTAM RELATED TO CEPHALOSPORINS JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1973, (23): : 2907 - 2910