RESIDUE   3XX     18
CONECT      OAC    1 CAI 
CONECT      CAI    3 OAC  CAH  CAJ 
CONECT      CAH    3 CAI  OAD  CAG 
CONECT      OAD    2 CAH  H1  
CONECT      CAG    3 CAH  CAB  OAF 
CONECT      CAB    4 CAG  H2   H3   H4  
CONECT      OAF    2 CAG  CAJ 
CONECT      CAJ    3 CAI  OAF  CAE 
CONECT      CAE    3 CAJ  CAA  H5  
CONECT      CAA    4 CAE  H6   H7   H8  
CONECT      H1     1 OAD 
CONECT      H2     1 CAB 
CONECT      H3     1 CAB 
CONECT      H4     1 CAB 
CONECT      H5     1 CAE 
CONECT      H6     1 CAA 
CONECT      H7     1 CAA 
CONECT      H8     1 CAA 
END   
HET    3XX             18
HETNAM     3XX (2E)-2-ethylidene-4-hydroxy-5-methylfuran-3(2H)-one
FORMUL      3XX    C7 H8 O3