| phosphorothioic acid, o,o-dimethyl s-(p-nitrophenyl) ester |
| dimethyl paranitrophenyl thionophosphate |
| methyl parathion s-isomer |
| o,o-dimethyl s-(4-nitrophenyl)thiophosphate |
| o,o-dimethyl s-(p-nitrophenyl) phosphorothioate |
| o,o-dimethyl-s-p-nitrofenyl ester kyseliny thiofosforecne |
| phosphorothioic acid, o,o-dimethyl s-(p-nitrophenyl)ester |
