RESIDUE   A1END     12
CONECT      N1     3 C2   C3   H2  
CONECT      C4     3 C1   N2   S1  
CONECT      C1     3 C4   C2   F1  
CONECT      C2     3 N1   C1   H1  
CONECT      C3     3 N1   N2   O1  
CONECT      F1     1 C1  
CONECT      N2     3 C4   C3   H3  
CONECT      O1     1 C3  
CONECT      S1     1 C4  
CONECT      H2     1 N1  
CONECT      H1     1 C2  
CONECT      H3     1 N2  
END   
HET    A1END             12
HETNAM     A1END 5-fluoranyl-4-sulfanylidene-1~{H}-pyrimidin-2-one
FORMUL      A1END    C4 H3 F N2 O S