That failed in 1961-as did methyl parathion in 1963, and fenthion in 1968.
From the time.com
Pesticides such as DDT, parathion, aldrin and dieldrin are both ally and enemy to man.
From the time.com
For instance the reaction of para-nitrophenolate would form a compound similar to parathion.
From the en.wikipedia.org
The birds were exposed to extremely low levels of parathion, levels too low to induce obvious illness.
From the sciencedaily.com
Among the group are such well-known members as parathion, which is no longer approved for use in the UK.
From the newscientist.com
Some rarely used compounds such as parathion were associated with almost a three-fold increase in allergic asthma.
From the upi.com
The culprit is methyl parathion, which has been used to combat pests like the boll weevil, scourge of the cotton fields.
From the time.com
The organophosphate insecticides such as malathion, parathion, and chlorpyrifos irreversibly inhibit acetylcholinesterase.
From the en.wikipedia.org
Simultaneous removal of parathion and methyl parathion by genetically engineered Escherichia coli in a biofilter treating polluted air.
From the sciencedaily.com
More examples
A colorless and odorless toxic oil used as an insecticide
Parathion, also called parathion-ethyl or diethyl parathion, is an organophosphate compound. It is a potent insecticide and acaricide. It was originally developed by IG Farben in the 1940s. It is highly toxic to non-target organisms, including humans. ...