° 0 

CH30-P - S-CH-C. or CH30-P - S-CH-C’ 
OH Oe OCoHs 
OCH 3 oot 
CH, -C-0C.H CH, -C 
2 2°? 2 
{ Py i 4 i a 
GH,0-F' ~ ‘S-CH-C. s&s CHga=? - S-CH-C° ——> CH30-P - S-CH-CO 
f ; 
OCH; on, OCH; ie OH OC pHs 
O 0 % 
or Malathion Desmethyl Malathion 
a 40 
CH30-P - S-CH-Cf 
OCH, | OC Hs 
CHy -C-0C5H 
a dae 
O 
Malaoxon 
P | 
0 p 
CH,0-P - S-CH-C 
s 
bcu, | OH 
-C-0C>H 
ica i eo 
0 
or 
Q 
it Y 
CH,0-P - S-CH-C. 
s ? bon, |  SaBs 
CH,0-B-0H CHy-C CH. -c-o# 
| ‘ou 24%, 
OCH3 
meee g r 
aN ¢ ? 
. - CH30-P - S-CH-C. 
0 10 CH, | ce 
HO-P-OH CH2-C CH -C-OH 
OH ‘OH 2 
~0H 
ie “sq C=Carboxyesterase 
P=Phosphatase 
123 
