diethynylbenzene dianion

/D AY1 AH0 TH AH0 N AH0 L B EH1 N Z IY1 N D AY0 AE0 N Y AH0 N/
N
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    In organic chemistry, a diethynylbenzene dianion is an anion consisting of two ethynyl anions as substituents on a benzene ring.