R 
(CH30) ,-P-SH 
I 
9 5 
tone: Q 
(CH30) 2-P-S-CH-C-OCoHs _P sas ne 
CH-C-0C 5H. 0 ae ae ae 
O 
Malathion Desmethyl Malathion 
C 
(c1140) »-#-s-cri-e-on (0830) .-B-s-cx-t0 3H 
Hy-G-0C 5H ee eee 
O 
Malathion a-monoacid Malaoxon 
¢ 
S 0 O i 
(CH30) »-P-S-CH-C-OH (CH30),.-B-s-cH-C-oH 
CH»-C-OH CHa- F025 
O 
Malathion di-~acid 
(CH.0O) y SH CHO ! S-CH ; OH 
pre ( gue ew Mate ae 
| ee 
(CH40) -P—OH (CH0) ,-P-SH 
Pe aie 
4 — = ’ 
(CH30) ,, p CH.0-P~(OH) 5 —F~ Inorganic 
Phosphate 
233 
