https://catalogue-scientifique.canada.ca/record=3913256~S6*frc
U.S. Fish and Wildlife Service, 1978
The present herbicides, 2,4-D butyl ester, 2,4-D isooctyl ester, and 2,4-D propylene glycol butyl ether ester, are three of the more commonly used 2,4-D esters...
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