Ilona Berzetei

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Budapest, HU

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Patents Grantslast 30 patents

Information Patent Grant
Pyrazole derivatives with an ergoline skeleton, their acid addition...
- Patent number 4,632,928
- Issue date Dec 30, 1986
- Richter Gedeon Vegyeszeti Gyar Rt.
- Tivadar Rettegi
- C07 - ORGANIC CHEMISTRY