S 0 
LJ u 
(CoH50) 9 -P-0-CHy-CHy -S-CH)-CH3 ——je (C2H50) 9-P-O-CHp ~CHy -S-CHp -CH3 
Demeton O 
0 0 O 
st ii ii i 
Demeton O Sulfoxide 
S | 0 0) 0 
it i! at is 
0 0) 
Demeton O Sulfone 
it 
(C2H50) 2 -P-S-CHy -CH2 -S-CH -CH3 
Demeton 5S 
etx 
it 
Demeton S Sulfoxide 
hy 
it af 
0 
Demeton S Sulfone 
83 
