RESIDUE   XFV     12
CONECT      O01    1 S02 
CONECT      S02    4 O01  O03  C04  C06 
CONECT      O03    1 S02 
CONECT      C04    4 S02  C05  H042 H041
CONECT      C05    4 C04  C06  H052 H051
CONECT      C06    4 S02  C05  H062 H061
CONECT      H042   1 C04 
CONECT      H041   1 C04 
CONECT      H052   1 C05 
CONECT      H051   1 C05 
CONECT      H062   1 C06 
CONECT      H061   1 C06 
END   
HET    XFV             12
HETNAM     XFV 1lambda~6~-thietane-1,1-dione
FORMUL      XFV    C3 H6 O2 S1