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Cyathus Exquirere Pharmaforschungs GmbH
| Cyathus Exquirere Pharmaforschungs GmbH Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100152447 | Novel Method for Producing 4,4-(1-Methyl-1,2-Ethanediyl)-BIS-(2,6-Piperazinedione) - A method for preparing compounds of the formula (I) by the cyclization of tetraacetic acid alkyl esters of the formula (II) in the presence of ammonia and formamide as well as to the compounds of the formula (II), which are used in this method. | 06-17-2010 |