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Nach dem Erkalten wird  der Niederschlag  abgesaugt,  mit  einem Trop-
fen  destilliertem Wasser sowie  dreimal  mit  je  1 ml  Methanol
gewaschen und  aus Wasser  umkristallisiert.  Ausbeute  14 mg
(58 %  ) orangefarbene  Nadeln; Schmp.  332  ¡æ£¨Zers., HzO).
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