CH Q CH 0) 
3 il 3 i 
“S cecH-CH-CH-COR House Fly “Scecu-cH-cH-C-or 
\ 7 \7 
cH, ¢ HO—Cc C 
oa” Ye ae aces 
ace 3 ao 
H 
HOC 9 
C 
HOCH»~ 
Dimethrin CH; H 
d 
— 
HOCH,-N 
Phthalthrin 2 Ne 
J 
Barthrin 
Rat 
Barthrin ———————-> Chrysanthemum monocarboxylic + HOCH Sree 
Acid ZA 
Cl 7. OC) 
ge _Sehtoroptperony 
i Alcohol 
HO-C-— O 
aly) 
Cl ™O 
6-Chloropiperonylic 
Acid 
0 
tO 
H—- 0 
\| H i 
HO-CH  HC-0-C~ — 0. O=0-CH.,-N- == 0s 
rac Pay, ae cH, 
Th Sh —~o Cl —0% 
OH OH 
6-Chloropiperonyl Glucuronide 6-Chloropiperonuric Acid 
35 

