The molecule with the SMILES representation of O=C([O-])C#CC(=O)[O-] can be described as:
The molecule is a dicarboxylic acid dianion obtained by the deprotonation of both the carboxy groups of acetylenedicarboxylic acid. It is a C4-dicarboxylate and a dicarboxylic acid dianion. It is a conjugate base of an acetylenedicarboxylate(1-).
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} can be described {#by|as!}:
{description#}
O=C([O-])C#CC(=O)[O-]
but-2-ynedioate
The molecule is a dicarboxylic acid dianion obtained by the deprotonation of both the carboxy groups of acetylenedicarboxylic acid. It is a C4-dicarboxylate and a dicarboxylic acid dianion. It is a conjugate base of an acetylenedicarboxylate(1-).