Based on the SMILES representation O=C([O-])C#CC(=O)O, the molecule can be described as:
The molecule is a dicarboxylic acid monoanion that is the conjugate base of butynedioic acid. It is a conjugate base of a butynedioic acid. It is a conjugate acid of an acetylenedicarboxylate(2-).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule can be described {#by|as!}:
{description#}
O=C([O-])C#CC(=O)O
4-hydroxy-4-oxobut-2-ynoate
The molecule is a dicarboxylic acid monoanion that is the conjugate base of butynedioic acid. It is a conjugate base of a butynedioic acid. It is a conjugate acid of an acetylenedicarboxylate(2-).