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5. Studies on beta-lactam antibiotics. IV. An improved synthesis of 3-(isothiazolylthiomethyl)cephalosporins and its application to new derivatives. Hara R; Nakai E; Hisamichi H; Nagano N J Antibiot (Tokyo); 1994 Apr; 47(4):477-86. PubMed ID: 8195048 [TBL] [Abstract][Full Text] [Related]
6. Studies on beta-lactam antibiotics. XI. Synthesis and structure-activity relationships of new 3-(2,2-dihalovinyl)cephalosporins. Kawabata K; Masugi T; Takaya T J Antibiot (Tokyo); 1986 Mar; 39(3):384-93. PubMed ID: 3700240 [TBL] [Abstract][Full Text] [Related]