![(S,S)-(-)-2,2'-Bis[(R)-(N,N-dimethylamino)(phenyl)methyl]-1,1'-bis[di(3,5-dimethyl-4-methoxyphenyl)phosphino] Ferrocene； CAS:494227-37-1](/uploads/35405/small/-s-s-2-2-bis-r-n-n-dimethylamino-phenylb94d8.png?size=118x0)
The main varieties of organophosphorus pesticides currently registered and widely used in China are: parathion, methyl parathion, methamidophos, acephate, ammonium phosphine, dimethoate, omethoate, dichlorvos, Malathion, phoxim, monocrotophos, phorate, chlorpyrifos, triazophos, isofosphos-methyl, trichlorfon, chlorpyrifos, profenofos, etc.
Commonly used organophosphorus pesticides are trichlorfon, dichlorvos (DDVP), dichlorvos calcium, dibromophos, malathion (marathion), and fenthion.