Entry ID    : bmse000083
Chem. Comp. : Fumaric acid
Formula     : C4 H4 O4
Formula Wt. : 116.0722
InChi Code  : InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+
is Aromatic :