Entry ID    : bmse000416
Chem. Comp. : Acetylenedicarboxylic acid
Formula     : C4 H2 O4
Formula Wt. : 114.0563
InChi Code  : InChI=1S/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)
is Aromatic :