RESIDUE   57H     14
CONECT      PAG    4 OAD  OAB  CAF  O1  
CONECT      OAD    2 PAG  H1  
CONECT      OAB    1 PAG 
CONECT      CAF    4 PAG  H2   H3   C1  
CONECT      O1     2 PAG  H5  
CONECT      H1     1 OAD 
CONECT      H2     1 CAF 
CONECT      H3     1 CAF 
CONECT      H5     1 O1  
CONECT      C1     3 CAF  C2   H4  
CONECT      C2     3 C1   H6   H7  
CONECT      H4     1 C1  
CONECT      H6     1 C2  
CONECT      H7     1 C2  
END   
HET    57H             14
HETNAM     57H prop-2-en-1-ylphosphonic acid
FORMUL      57H    C3 H7 O3 P1