RESIDUE   4ML     19
CONECT      CAF    3 CAE  CAK  HAF 
CONECT      CAE    3 CAF  CAJ  HAE 
CONECT      CAJ    3 CAE  OAC  OAH 
CONECT      OAC    1 CAJ 
CONECT      OAH    2 CAJ  CAK 
CONECT      CAK    4 CAF  OAH  CAA  CAG 
CONECT      CAA    4 CAK  HAA  HAAA HAAB
CONECT      CAG    4 CAK  CAI  HAG  HAGA
CONECT      CAI    3 CAG  OAD  OAB 
CONECT      OAD    1 CAI 
CONECT      OAB    2 CAI  HOAB
CONECT      HAF    1 CAF 
CONECT      HAE    1 CAE 
CONECT      HAA    1 CAA 
CONECT      HAAA   1 CAA 
CONECT      HAAB   1 CAA 
CONECT      HAG    1 CAG 
CONECT      HAGA   1 CAG 
CONECT      HOAB   1 OAB 
END   
HET    4ML             19
HETSYN     4ML 4-methylmuconolactone
HETNAM     4ML [(2S)-2-methyl-5-oxo-2,5-dihydrofuran-2-yl]acetic acid
FORMUL      4ML    C7 H8 O4