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(-)-1.beta.-ethyl-1.alpha.-hydroxymethyl-1,2,3,4,6,7,12, 12B.alpha....
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Patent number 4,806,545
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Issue date Feb 21, 1989
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Richter Gedeon Vegyeszeti Gyar Rt.
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Csaba Szantay
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C07 - ORGANIC CHEMISTRY
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Apovincaminol derivative
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Patent number 4,680,397
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Issue date Jul 14, 1987
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Richter Gedeon Vegyeszeti Gyar Rt.
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Tibor Keve
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C07 - ORGANIC CHEMISTRY