Unexpected synthesis of 2-(3,8-diaryl-6-oxo-2,7-diazaspiro[4.4]nona-2,8-dien-1-ylidene)malononitrile,a new heterocyclic system |
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Authors: | V D Dyachenko |
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Institution: | 1.Taras Shevchenko Lugansk National University,Lugansk,Ukraine |
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