e/1,2-Bis(dicyanomethylene)squarate

Information
has gloss	eng: 1,2-Bis(dicyanomethylene)squarate is a divalent anion with chemical formula or ((N&equiv;C-)2C=)2(C4O2)2−. It is one of the pseudo-oxocarbon anions, as it can be described as a derivative of the squarate oxocarbon anion through the replacement of two adjacent oxygen atoms by dicyanomethylene groups =C(-C&equiv;N)2.
lexicalization	eng: 1,2-Bis(dicyanomethylene)squarate
instance of	(noun) the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions chemical science, chemistry

Media
media:img	Chemfm 1 2 bis dicyanomethylene squarate 2neg.svg