RESIDUE   LXN     12
CONECT      OAB    1 CAH 
CONECT      CAH    3 OAB  CAJ  NAE 
CONECT      CAJ    3 CAH  OAD  CAI 
CONECT      OAD    1 CAJ 
CONECT      CAI    3 CAJ  OAC  NAF 
CONECT      OAC    1 CAI 
CONECT      NAF    3 CAI  CAG  HAF 
CONECT      CAG    3 NAF  OAA  NAE 
CONECT      OAA    1 CAG 
CONECT      NAE    3 CAH  CAG  HAE 
CONECT      HAE    1 NAE 
CONECT      HAF    1 NAF 
END   
HET    LXN             12
HETSYN     LXN MESOXALYLUREA
HETNAM     LXN ALLOXAN
FORMUL      LXN    C4 H2 N2 O4