RESIDUE   SY8     18
CONECT      N      3 C4   H1   H2  
CONECT      C      4 C1   H4   H5   H6  
CONECT      O      1 C1  
CONECT      C1     3 C    O    C2  
CONECT      C2     4 C1   C3   H7   H8  
CONECT      C3     4 C2   C4   H9   H10 
CONECT      C4     4 N    C3   H11  H12 
CONECT      H1     1 N   
CONECT      H2     1 N   
CONECT      H4     1 C   
CONECT      H5     1 C   
CONECT      H6     1 C   
CONECT      H7     1 C2  
CONECT      H8     1 C2  
CONECT      H9     1 C3  
CONECT      H10    1 C3  
CONECT      H11    1 C4  
CONECT      H12    1 C4  
END   
HET    SY8             18
HETNAM     SY8 5-azanylpentan-2-one
FORMUL      SY8    C5 H11 N O