OST 
S 
u0-§-ocH; 
2 
Desmethyl 
Sumi thion 
H3 
S 
j 
CH30-P-OCH3 
—_———S 
H3 
NO2 
Sumithion 
| 
HO-P-OCH3 
CH3 
3 
HO-f-OH 
H 
0 0 
CH30-P-OCH le ee 
—_>- 
CH3 H3 
NO, 02 
(Sumithionoxide) 
Sumioxon 
! 
rT | at 
HO-P-OCH3 HO-P-OCH3 
CH3 H 
qf 
HO-P-OH 
oT 
