RESIDUE   6B6      9
CONECT      O2     2 PT1  H4  
CONECT      PT1    4 O2   O3   O1   O4  
CONECT      O3     2 PT1  H1  
CONECT      O1     2 PT1  H3  
CONECT      O4     2 PT1  H2  
CONECT      H1     1 O3  
CONECT      H2     1 O4  
CONECT      H4     1 O2  
CONECT      H3     1 O1  
END   
HET    6B6              9
HETNAM     6B6 platinum(4+) tetrahydroxide
FORMUL      6B6    H4 O4 Pt1