RESIDUE   CAC     11
CONECT      AS     4 O1   O2   C1   C2  
CONECT      O1     1 AS  
CONECT      O2     1 AS  
CONECT      C1     4 AS   H11  H12  H13 
CONECT      C2     4 AS   H21  H22  H23 
CONECT      H11    1 C1  
CONECT      H12    1 C1  
CONECT      H13    1 C1  
CONECT      H21    1 C2  
CONECT      H22    1 C2  
CONECT      H23    1 C2  
END   
HET    CAC             11
HETSYN     CAC dimethylarsinate
HETNAM     CAC CACODYLATE ION
FORMUL      CAC    C2 H6 As1 O2 1-