acetylenedicarboxylic acid

Molecular Formula: C4H2O4


InChI: InChI=1/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)/f/h5,7H

InChIKey: InChIKey=YTIVTFGABIZHHX-AOTPWWKUCY
SMILES: C(#CC(=O)O)C(=O)O

Names:
    acetylenedicarboxylic acid
    but-2-ynedioic acid
    2-butynedioic acid

Registries:
    PubChem CID 371
    PubChem ID 10339042