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1979-03-05 |
1987-04-06 |
Pfizer |
Sett att framstella penicillansyra-1,1-dioxid samt estrar derav
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1979-03-05 |
1983-12-13 |
Pfizer Inc. |
6-Alpha-halopenicillanic acid 1,1-dioxides
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1979-03-05 |
1987-12-22 |
Pfizer Inc. |
6,6-dihalopenicillanic acid 1,1-dioxides and process
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1979-05-16 |
1981-01-13 |
Pfizer Inc. |
Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide
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1979-05-16 |
1982-01-05 |
Pfizer Inc. |
Penicillanoyloxymethyl penicillanate 1,1,1',1'-tetraoxide
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1979-09-26 |
1982-12-21 |
Pfizer Inc. |
Bis-esters of alkanediols as antibacterial agents
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1979-10-22 |
1982-08-03 |
Pfizer Inc. |
Bis-esters of 1,1-alkanediols with 6-beta-hydroxymethylpenicillanic acid 1,1-dioxide and beta-lactam antibiotics
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1979-11-23 |
1984-02-21 |
Pfizer Inc. |
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1980-01-21 |
1985-04-10 |
Bristol Myers Co |
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Bristol Myers Co |
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1980-01-21 |
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Bristol-Myers Company |
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1980-12-11 |
1984-10-02 |
Pfizer Inc. |
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1980-12-11 |
1983-04-19 |
Bristol-Myers Company |
2β-Chloromethyl-2α-methylpenam-3α-carboxylic acid sulfone and salts and esters thereof
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1981-03-23 |
1986-05-17 |
Pfizer |
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1981-03-23 |
1983-04-26 |
Pfizer Inc. |
Process for the preparation of penicillanic acid esters
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1981-03-23 |
1982-03-23 |
Pfizer Inc. |
Bis-esters of methanediol with acetonides of ampicillin or amoxicillin and penicillanic acid 1,1-dioxide
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1981-03-23 |
1983-07-12 |
Pfizer Inc. |
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1981-03-23 |
1983-12-06 |
Pfizer Inc. |
Preparation of halomethyl esters (and related esters) of penicillanic acid 1,1-dioxide
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1981-03-23 |
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Pfizer Inc. |
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1981-03-23 |
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1981-06-08 |
1984-04-24 |
Bristol-Myers Company |
2β-Chloromethyl-2α-methylpenam-3α-carboxylic acid sulfone methylene diol mixed esters
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1981-09-09 |
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Pfizer |
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1981-09-09 |
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Pfizer Inc. |
Antibacterial 6'-(2-amino-2-[4-acyloxyphenyl]acetamido)penicillanoyloxymethyl penicillanate 1,1-dioxide compounds
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1981-09-18 |
1982-09-28 |
Pfizer Inc. |
Antibacterial esters of resorcinol with ampicillin and penicillanic acid 1,1-dioxide derivatives
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1981-12-22 |
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Pfizer, Inc. |
1,1-Alkanediol dicarboxylate linked antibacterial agents
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1981-12-22 |
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1982-06-14 |
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Pfizer Inc. |
6-Aminoalkylpenicillanic acid 1,1-dioxides as beta-lactamase inhibitors
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1982-01-22 |
1983-08-03 |
Beecham Group Plc |
Esters of penicillin derivatives with beta-lactamase inhibitors, their preparation and their use
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1982-01-25 |
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1982-04-23 |
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1982-06-29 |
1988-02-24 |
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1982-10-26 |
1984-05-10 |
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1982-11-01 |
1985-07-23 |
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1983-01-07 |
1983-05-15 |
Orvet Bv |
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1982-12-06 |
1989-09-19 |
Pfizer Inc. |
Process for preparing sultamicillin and analogs
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1983-03-31 |
1984-07-31 |
Pfizer Inc. |
Bis-esters of dicarboxylic acids with amoxicillin and certain hydroxymethylpenicillanate 1,1-dioxides
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1983-06-06 |
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Pfizer Inc. |
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1987-11-25 |
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1990-04-13 |
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Pfizer Inc., Groton, Conn. |
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2022-10-26 |
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北京纳百生物科技有限公司 |
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